Abelia x grandiflora, zone= 6, sow seed outdoors at time of collection, do not put seed into storage Abeliophyllum distichum
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| Abelia x grandiflora, zone= 6, sow seed outdoors at time of collection, do not put seed into storage
Abeliophyllum distichum , zone= 5, sow seed outdoors at time of collection, do not put seed into storage Abies amabilis , Cascade Fir ,zone= 5, sow 4 wks @ 39ºF, move to 70ºF for germ. Abies balsamea , Balsam Fir ,zone= 2, sow 4 wks @ 39ºF, move to 70ºF for germ. Abies concolor , White Fir ,zone= 4 , sow 4 wks @ 39ºF, move to 70ºF for germ. Abies fraseri , Fraser Balsam Fir ,zone= 4 , sow 4 wks @ 39ºF, move to 70ºF for germ. Abies koreana , Korean Fir ,zone= 5 , sow 4 wks @ 39ºF, move to 70ºF for germ. in darkness Abies nordmanniana,zone= 4 , sow 4 wks @ 39ºF, move to 70ºF for germ. in darkness Abies procera , zone= 5 , sow @ 70ºF, if no germ. after 30d, move to 39ºF for 4 wks, return to 70ºF for germ. Abies veitchii , Veitch's Fir , zone= 3 , sow 4 wks @ 39ºF, move to 70ºF for germ. in darkness Acanthopanax sieboldianus ,zone= 4 , sow 6m @ 70ºF, then 3m @ 39ºF, recycle Acer buergerianum , Trident Maple ,zone= 6 , sow @ 39ºF for germ. in 6 to 8 weeks Acer campestre, zone= 4 , sow 4 wks @ 70ºF, move to 39ºF for germ. in 3 to 6 months Acer capillipes , Red Snake Bark Maple ,zone= see A. pensylvanicum Acer carpinifolium , zone= 5 , sow 4 wks @ 70ºF, move to 39ºF for germ. in 3 to 6 months Acer cissifolium , ,zone= 6 , sow 4 wks @ 70ºF, move to 39ºF for germ. in 3 to 6 months Acer crataegifolium , zone= 7 , sow 3m @ 39ºF, then remove seed coats and move to 70ºF for germ. Acer davidii , Fr.david's Maple ,zone= 5 , see A. pensylvanicum Acer ginnala , Amur maple ,zone= 2 , sow @ 39ºF for germ. in 3 to 4 months Acer griseum , zone= 5 , soak, then scarify, sow 3m @ 39ºF, move to 70ºF for germ. (less than 10% viable seeds) Acer japonicum , Japanese maple ,zone= ? , sow 3m @ 39ºF, then remove seed coats and move to 70ºF for germ. Acer mandschuricum , Manchurian maple ,zone= 4 , see A. griseum Acer negundo , Box Elder Maple ,zone= 2 , Scratch and soak, sow 3m @ 39ºF, move to 70ºF for germ. Acer nikoense , Nikko Maple ,zone= 5 , see A. griseum Acer palmatum , Japanese maple ,zone= 5 , seed should be collected from the tree before it dries, then sown directly outdoors for germ. the following spring. Acer pensylvanicum , Striped Maple ,zone= 3 , remove seed coat, sow @ 39ºF for germ. in 4 to 12 weeks Acer platanoides , Norway maple ,zone= 3 , sow fresh seed only @ 39ºF for germ. in 3m Acer pseudoplatanus , Sycamore maple ,zone= 4 , see A. griseum Acer rubrum , zone= 3 , sow at once upon ripening, or soak, then sow 9w @ 39ºF, move to 70ºF for germ. Acer rufinerve , Snake Bark Maple ,zone= 6 , see A. pensylvanicum Acer saccharinum , Silver Maple ,zone= 3 , sow fresh seed only @ 70ºF Acer saccharum , Sugar Maple ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Acer spicatum , Mountain Maple ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Acer tataricum , Tatarian Maple ,zone= 4 , sow @ 39ºF for germ. in 3 to 6 months Acer tegmentosum , Manchustripe Maple ,zone= 5 , see A. pensylvanicum Acer triflorum , Three Flowered Maple ,zone= 6 , see A. griseum Acer truncatum , Shantung Maple ,zone= 6 , see A. griseum Actinidia arguta , Tara vine ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Actinidia kolomikta , Tara vine ,zone= 4 , sow 3m @ 70ºF, then 3m @ 39ºF, move to 70ºF for germ. Aesculus carnea x , Red Horse-chestnut ,zone= 4 , sow fresh seed only - outdoors Aesculus chinensis , Chinese Horse Chestnut ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Aesculus glabra , Ohio Buckeye ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Aesculus hippocastanum , Horse Chestnut ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Aesculus parviflora , Bottlebrush buckeye ,zone= 4 , sow fresh seed only - outdoors Aesculus pavia , Red buckeye ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Aesculus sylvatica , Painted buckeye ,zone= 5 , sow fresh seed only - outdoors Aesculus turbinata , Japanese Horse-chestnut ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Ailanthus altissima , Tree of heaven ,zone= 4 , sow @ 70ºF in light, if no germ. in 4w, move to 39ºF for 8w, recycle Akebia quinata , Fiveleaf akebia ,zone= 4 , sow 8w @ 39ºF, move to 70ºF for germ. Albizia julibrissin , Silk-tree ,zone= 6 , soak, puncture, soak again, sow @ 70ºF Alnus cordata , Italian Alder ,zone= 6 , direct sow fresh seed outdoors Alnus glutinosa , Alder ,zone= 3 , direct sow fresh seed outdoors Alnus incana , White Alder ,zone= 2 , direct sow fresh seed outdoors Alnus rugosa , Speckled Alder ,zone= 2 , direct sow fresh seed outdoors Alnus serrulata , Hazel Alder ,zone= ?, direct sow fresh seed outdoors Amelanchier alnifolia , Serviceberry ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Amelanchier arborea , Downy Serviceberry ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Amelanchier canadensis , Shadblow Serviceberry ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Amelanchier grandiflora , ,zone= 4 , wash seeds 3x daily 7d, sow 3m @ 39ºF, move to 70ºF for germ. Amelanchier laevis , ,zone= 4 , sow 3m @ 70ºF, 3m @ 39ºF, 3m @ 70ºF, move to 39ºF for germ. in 10 to 12 wks Amelanchier sanguinea , zone= 3 , sow 3m @ 39ºF, 3m @ 70ºF, 3m @ 39ºF, move to 70ºF for germ. in 4 weeks Amelanchier stolonifera , zone= ?, sow fresh seed 3m @ 39ºF, move to 70ºF for germ. in 3 wks Amorpha canescens , Leadplant ,zone= 2 , nick coat , sow @ 70ºF, if no germ., move to 39ºF for 4 wks, recycle Amorpha fruticosa , Indigobush ,zone= 4 , nick coat , sow @ 70ºF, if no germ., move to 39ºF for 4 wks, recycle Ampelopsis brevipedunculata , zone= 4 , wash seeds 3x daily 7d, sow 3m @ 39ºF, move to 70ºF for germ. Anisostichus capreolata , Crossvine ,zone= 6 , sow @ 70ºF Aralia elata , Chinese Aralia ,zone= 4 , GA-3 soak, sow @ 70ºF for germ. in 3-9w Aralia racemosa , American Spikenard ,zone= 4 , sow fresh seed outdoors in the fall Aralia spinosa , Devils-walkingstick ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Arbutus menziesii , Madrone ,zone= 7 , sow 3m @ 39ºF, move to 70ºF for germ. Arctostaphylos uva-ursi , Kinnikinick ,zone= 2 , scarify coat, sow 3m @ 70ºF, 3m @ 39ºF, move back to 70ºF. Aristolochia durior , Dutchman's pipe ,zone= 4 , direct sow outdoors in the fall Aristolochia macrophylla , Pipevine ,zone= 6 , sow in light @ 70ºF for slow germ. 21-30d Aronia melanocarpa , Black chokeberry ,zone= 4 , direct sow outdoors Asimina triloba , Pawpaw ,zone= 5 , GA-3 soak, sow @ 70ºF for slow germ. 4-6w Aucuba japonica , Japanese aucuba ,zone= 7 , sow @ 70ºF, slow to germ. slow to develop Berberis candidula , Paleleaf barberry ,zone= 5 , wash seed 3x daily 7d, sow directly outdoors Berberis julianae , Wintergreen Berberis ,zone= 5 , wash seed 3x daily 7d, sow directly outdoors Berberis koreana , Korean barberry ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Berberis thunbergii , Japanese Berberis ,zone= 4 , sow directly outdoors Betula albosinensis , Chinese Red Birch ,zone= 7 , sow 3m @ 39ºF, move to 70ºF for germ. Betula alleghaniensis , Yellow Birch ,zone= 3 , see B. lenta Betula davurica , Asian Black Birch ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Betula ermanii , Gold Birch ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Betula glandulosa , Bog birch ,zone= 1, sow 3m @ 39ºF, move to 70ºF in darkness Betula grossa , Japanese Cherry Birch ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Betula lenta , zone= 3 , sow 2m @ 39ºF, move to 90ºF daytime and 60ºF night oscillating temps. for germ. Betula maximowicziana , Monarch Birch ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Betula nigra , Black Birch ,zone= 4 , direct sow outdoors only Betula occidentalis (B. fontinalis) , Water birch ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Betula papyrifera , Paper Birch ,zone= 2 , direct sow outdoors in the fall Betula pendula , Silver Birch ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Betula platyphylla , Asian white birch ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Betula populifolia , Grey Birch ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Betula pubescens , White Birch ,zone= 1 , sow @ 70ºF in light Betula schmidtii , Schmidt birch ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Betula tianshanica , ,zone= ? , sow 3m @ 39ºF, move to 70ºF in light Broussonetia papyrifera , Paper mulberry ,zone= 6 , sow @ 70ºF Buddleia davidii , Butterfly-bush ,zone= 5 , sow @ 70ºF Buxus microphylla , Boxwood ,zone= 6 , sow @ 70ºF, if no germ. in 4 wks, move to 39ºF for 4 to 12 wks, recycle Buxus sempervirens , Boxwood ,zone= 5, sow @ 70ºF, if no germ. in 4 wks, move to 39ºF for 4 to 12 wks, recycle Callicarpa dichotoma , Purple beautyberry ,zone= 5 , sow @ 70ºF Callicarpa japonica , Japanese beautyberry ,zone= 5 , sow @ 70ºF Calluna vulgaris , Scotch heather ,zone= 4 , sow @ 70ºF on peat moss Calocedrus deccurens , California incensecedar ,zone= 5 , sow 2m @ 39ºF, move to 70ºF for germ. Calycanthus floridus , Carolina allspice ,zone= 5 , sow fresh seed directly outdoors in the fall Camellia japonica , Japanese camellia ,zone= 7 , remove seed from capsules, sow @ 70ºF Campsis radicans , Trumpet vine ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Caragana arborescens , Siberian Pea Tree ,zone= 2 , soak, sow 3w @ 39ºF, move to 70ºF for germ. Carpinus betulus , Hornbeam ,zone= 4 , collect seed while still green, and wings are just starting to turn yellow, sow 4 wks @ 70ºF, 3m @ 39ºF, move to 70ºF for germ. Carpinus caroliniana , American Hornbeam ,zone= 2 , see C. betulus Carpinus cordata , ,zone= 5 , see C. betulus Carpinus coreana , Korean Hornbeam ,zone= 7 , see C. betulus Carpinus orientalis , Oriental Hornbeam ,zone= 5 , see C. betulus Carpinus polyneura , ,zone= ?, see C. betulus Carpinus schisiensis , ,zone= ?, see C. betulus Carpinus schuschuensis x , ,zone= 6 , see C. betulus Carpinus turczaninovii , ,zone= 7 , see C. betulus Carpinus viminea , ,zone= 6 , see C. betulus Carya cordiformis , zone= 4 , soak 4d (change water often), sow 3-5m @ 39ºF, move to 70ºF for germ. Carya glabra , Pig-nut Hickory ,zone= 4 , see C. cordiformis Carya illinoiensis , Pecan ,zone= 5 , see C. cordiformis Carya laciniosa , Shellbark Hickory ,zone= 5 , see C. cordiformis Carya ovata , Shagbark Hickory ,zone= 4 , see C. cordiformis Caryopteris incana , Bluebeard ,zone= 7 , sow fresh seed @ 70ºF for rapid germ. (seed stored more than 12 months is usually dead), will grow in zone 5, but hardiness is marginal depending upon depth of cold during winter. Castanea mollissima , Chinese Chestnut ,zone= 4 , sow fresh seed 8-12w @ 39ºF, move to 70ºF for germ. (ephemeral seed must be stored moist if at all) Catalpa speciosa , Western Catalpa ,zone= 5 , sow @ 70ºF Ceanothus americanus , New Jersey tea ,zone= 4 , hot water soak, sow 3m @ 39ºF, move to 70ºF for germ. Cedrela sinensis , Chinese cedrela ,zone= 5 , sow @ 70ºF Cedrus atlantica , Atlas cedar ,zone= 6 , sow 2w @ 39ºF, move to 70ºF for germ. Cedrus deodara , Deodar ,zone= 5 , sow 2w @ 39ºF, move to 70ºF for germ. Cedrus libani , Cedar Of Lebanon ,zone= 6 , sow 2w @ 39ºF, move to 70ºF for germ. Celastrus scandens , American bittersweet ,zone= 3 , store fresh seed 6m, then sow 3-6m @ 39ºF, move to 70ºF for germ. Celtis occidentalis , Common hackberry ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Cephalanthus occidentalis , Buttonbush ,zone= 5 , sow @ 70ºF Cephalotaxus fortunei , Chinese Plum Yew ,zone= 7 , sow 3m @ 39ºF, move to 70ºF for germ. Cercidiphyllum japonicum , Katsura tree ,zone= 4 , sow @ 70ºF Cercis canadensis , Eastern Redbud ,zone= 4 , scarify, sow 2m @ 39ºF, move to 70ºF for germ. Cercis chinensis , Chinese Redbud ,zone= 6 , see C. canadensis Cercocarpus ledifolius , Desert Mahogany ,zone= 6 , GA-3 soak (or try 5% hydrogen peroxide for 15 min.), sow 9m @ 39ºF, move to 70ºF for germ. Chaenomeles speciosa , Flowering quince ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Chamaecyparis lawsoniana , Port Orford cedar ,zone= 5 , sow 3m @ 39ºF, move to 70ºF in light for germ. Chamaecyparis nootkatensis , zone= 5 , sow 3m @ 39ºF, move to 70ºF in light for germ. Chamaecyparis obtusa , Hinoki falsecypress ,zone= 4 . sow 3m @ 39ºF, move to 70ºF in light for germ. Chamaecyparis thyoides , Atlantic white cedar ,zone= 3 , sow 3m @ 39ºF, move to 70ºF in light for germ. Chimonanthus praecox , Fragrant wintersweet ,zone= 6 , collect seed in May or June when not fully dried, break the pericarp, then sow @ 70ºF Chionanthus virginicus , White fringe tree ,zone= 3 , sow 3-5m @ 70ºF, then 1-2m @ 39ºF, move to 70ºF for germ. Cladrastis lutea , Yellowwood ,zone= 4 , scarify, sow 3m @ 39ºF, move to 70ºF for germ. Clematis x jackmanii , Jackman clematis ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Clethra alnifolia , Summersweet ,zone= 3 , sow fresh seed @ 70ºF Cleyera japonica (Ternstroemia gymnanthera) , Japanese cleyera ,zone= 7 , direct sow outdoors in the fall Colutea arborescens , Bladder-senna ,zone= 5 , scarify, sow @ 70ºF Comptonia peregrina , Sweetfern ,zone= 2 , scarify, then GA-3 soak, sow @ 70ºF Cornus alba , Tatarian dogwood ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Cornus alternifolia , Pagoda Dogwood ,zone= 3 , sow 2-5m @ 70ºF, 2-3m @ 39ºF, move to 70ºF for germ. Cornus amomum , Silky dogwood ,zone= 5 , sow 4m @ 39ºF, move to 70ºF for germ. Cornus canadensis , Bunchberry ,zone= 2 , scarify, sow 3m @ 70ºF, 3m @ 39ºF, move to 70ºF for germ. Cornus florida , Flowering Dogwood ,zone= 5 , wash seeds, sow 5m @ 39ºF, move to 70ºF for germ. Cornus kousa , Kousa Dogwood ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Cornus mas , Cornelian Cherry ,zone= 5 , wash seeds, sow 4m @ 70ºF, then 3m @ 39ºF, move to 70ºF for germ. Cornus nuttallii , Mountain Dogwood ,zone= 7 , sow 3m @ 39ºF, move to 70ºF for germ. Cornus officinalis (shan zhu yu) , Japanese Cornel ,zone= 6 , see C. mas Cornus racemosa , Gray dogwood ,zone= 4 , scarify, sow 4m @ 39ºF, move to 70ºF for germ. Cornus sanguinea , Common Dogwood ,zone= 5 , sow 3-5m @ 70ºF, 3m @ 39ºF, move to 70ºF for germ. Cornus sericea (C. stolonifera) , Red osier dogwood ,zone= 2 , see C. alba Corylopsis glabrescens , Fragrant winterhazel ,zone= 5 , sow 3-5m @ 70ºF, 3m @ 39ºF, move to 70ºF for germ. (difficult) Corylopsis pauciflora , Buttercup Witch Hazel ,zone= 6 , see C. glabrescens Corylopsis spicata , Spike Witch Hazel ,zone= 6 , see C. glabrescens Corylus americana , American Filbert ,zone= 4 , see C. colurna Corylus avellana , European Hazel ,zone= 4 , see C. colurna Corylus colurna , Turkish Hazel ,zone= 5 , sow 3-5m @ 70ºF, 3m @ 39ºF, move to 70ºF for germ. Corylus cornuta , Beaked Filbert ,zone= 4 , sow 3m @ 70ºF, then 3m @ 39ºF, recycle for germ. in the third period Cotinus coggyria , Smokebush ,zone= 5 , scarify, sow 3m @ 39ºF, move to 70ºF for germ. Cotoneaster apiculatus , Cranberry cotoneaster ,zone= 4 , scarify, sow 3m @ 39ºF, move to 70ºF for germ. Cotoneaster dammeri , Bearberry cotoneaster ,zone= 5 , sow 3m @ 39ºF, then 3m @ 70ºF, recycle for some germination in each of 5 periods Cotoneaster divaricatus , Spreading cotoneaster ,zone= 4 , see C. apiculatus Cotoneaster horizontalis , Rockspray ,zone= 4 , see C. apiculatus Cotoneaster lucidus , Hedge cotoneaster ,zone= 3 , see C. apiculatus Cotoneaster multiflorus , Many-flowered cotoneaster ,zone= 3 , see C. apiculatus Cotoneaster salicifolius , Willowleaf cotoneaster ,zone= 6 , see C. apiculatus Crataegus crus-galli , Cockspur Thorn ,zone= 5 , scarify, sow 4m @ 70ºF, 5m @ 39ºF, move to 70ºF for germ. Crataegus laevigata , Hawthorn ,zone= 5 , see C. crus-galli Crataegus mollis , Red Haw ,zone= 5 , see C. crus-galli Crataegus monogyna , Hawthorn ,zone= 5 , see C. crus-galli Crataegus monogyna , Oneseed hawthorn ,zone= 5 , wash seeds 3x daily 7d, sow 3m @ 70ºF, then 3m @ 39ºF, recycle Crataegus phaenopyrum , Washington Thorn ,zone= 5 , see C. crus-galli Crataegus punctata , Thicket hawthorn ,zone= 4 , see C. crus-galli Crataegus succulenta , fleshy hawthorn ,zone= 4 , see C. crus-galli Cryptomeria japonica , Japanese cedar ,zone= 5 , soak cold, store 8w moist cold, then sow 3m @ 70ºF, 3m @ 39ºF, move to 70ºF for germ. Cupressus lusitanica , Cedar of Goa ,zone= 8 , sow 3m @ 39ºF, move to 70ºF for germ. Cyrilla racemiflora , Leatherwood ,zone= 5 , sow @ 70ºF Cytisus scoparius , Scotch broom ,zone= 5 , hot water soak, sow @ 68ºF night and 86ºF daytime temps. Daphne cneorum , Rose daphne ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Davidia involucrata , Handkerchief Tree ,zone= 6 , sow in damp paper towel at 70ºF until seed coats start to open, move to 39ºF for 3 months, then sow outdoors. Alt = sow outdoors, wait two successive spring seasons. Diospyros virginiana , Persimmon ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Dirca palustris , Leatherwood ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Elaeagnus angustifolia , Russian olive ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Enkianthus campanulatus , Redvein enkianthus ,zone= 4 , sow @ 70ºF Eriobotrya japonica , Loquat ,zone= 8 , sow @ 70ºF Eucommia ulmoides , Chinese Rubber Tree ,zone= 5 , sow 4wks @ 39ºF, move to 70ºF for germ. Euonymus alatus db , Winged Spindle Tree ,zone= 3 , wash seeds 3x daily 7d, direct sow outdoors Euonymus atropurpureus , Wahoo ,zone= 4 , wash fresh seed 3x daily 7d in detergent, sow 3m @ 70ºF, then 3m @ 39ºF, recycle for some germination in each of the next 5 periods. Euonymus bungeanus , winterberry ,zone= 4 , wash seed 3x daily 7d, sow @ 39ºF for germ. in about 5 wks. Euonymus europaeus , Spindle Tree ,zone= 3 , sow 3m @ 70ºF, 2 to 4 months @ 39ºF, move to 70ºF for germ. Euonymus fortunei , Wintercreeper ,zone= 4 , remove arils, sow 3m @ 39ºF, move to 70ºF for germ. Evodia daniellii , Korean evodia ,zone= 4 , direct sow outdoors Exochorda racemosa , Pearlbush ,zone= 4 , sow 2m @ 39ºF in damp paper towels, the direct sow outdoors Fagus grandifolia , American Beech ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Fagus sylvatica , European Beech ,zone= 4 , direct sow outdoors in the fall Forsythia x intermedia , Border forsythia ,zone= 4 , sow 4wks @ 39ºF, move to 70ºF for germ. Fothergilla gardenii , Dwarf fothergilla ,zone= 5 , sow 6m @ 70ºF night and 86ºF daytime temps, then 3m @ 39ºF, move to 70ºF for germ. Fothergilla major , Large fothergilla ,zone= 4 , sow 12m @ 70ºF night and 86ºF daytime temps, then 3m @ 39ºF, move to 70ºF for germ. Franklinia alatamaha , Franklinia ,zone= 5 , collect fresh seed before it has dried, sow @ 70ºF Fraxinus americana , White Ash ,zone= 3 , sow 4 wks @ 70ºF, then 2m @ 39ºF, move to 70ºF for germ. Fraxinus anomala , Single Leaf Ash ,zone= 6 , sow 3m @ 39ºF, move to 70ºF in darkness Fraxinus excelsior , European Ash ,zone= 4 , see F. pennsylvanica Fraxinus mandshurica , Manchurian Ash ,zone= 6 , sow 6m @ 70ºF, then 6m @ 39ºF, recycle Fraxinus ornus , Flowering Ash ,zone= 6 , see F. pennsylvanica Fraxinus pennsylvanica , Green Ash ,zone= 4 , sow 2m @ 70ºF, then 4m @ 39ºF, move to 70ºF for germ. Fraxinus quadrangulata , Blue Ash ,zone= 4 , see F. pennsylvanica Gaylussacia brachycera , Box huckleberry ,zone= 5 , sow 4wks @ 70ºF night and 86ºF daytime temps, then 30-50d @ 50ºF for germ. Gelsemium sempervirens , Carolina yellow jessamine ,zone= 6 , sow @ 70ºF Genista tinctoria , Woadwaxen ,zone= 4 , scarify and soak, sow @ 70ºF Ginkgo biloba , Maidenhair tree ,zone= 3 , wash seed, sow 10w @ 70ºF in moist sand, then 3m @ 39ºF, move to 70ºF for germ. Gleditsia triacanthos , Honey Locust ,zone= 3 , puncture seed coat, sow @ 70ºF Gleditsia triacanthos v inermis , Thornless Honey Locust ,zone= 3 , scarify, sow @ 70ºF Gymnocladus dioica , Kentucky Coffee Tree ,zone= 4 , scarify, sow @ 70ºF Halesia carolina , Carolina silverbell ,zone= 5 , sow 3m @ 70ºF, then 3m @ 39ºF, recycle for germ. in 4th period Halesia monticola , Mountain Silverbell ,zone= 5 , see H. carolina Hamamelis japonica , Japanese Witch Hazel ,zone= 5 , sow 2m @ 70ºF, then 3m @ 39ºF, recycle Hamamelis mollis , Chinese Witch Hazel ,zone= 6 , sow 3m @ 70ºF, then 3m @ 39ºF, recycle Hamamelis vernalis , Vernal witchhazel ,zone= 4 , sow 2m @ 70ºF, then 3m @ 39ºF, recycle Hamamelis virginiana , Virginian Witch Hazel ,zone= 5 , sow 2m @ 70ºF, then 3m @ 39ºF, recycle Hamamelis x intermedia , ,zone= 5 , sow 2m @ 70ºF, then 3m @ 39ºF, recycle Hedera helix , English ivy ,zone= 4 , wash seed, sow 3m @ 39ºF, move to 70ºF for germ. Hibiscus syriacus , Rose-of-Sharon ,zone= 5 , sow @ 70ºF, or direct sow outdoors Hippophae rhamnoides , Seabuckthorn ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Hovenia dulcis , Japanese raisintree ,zone= 5 , scarify, sow @ 70ºF Hydrangea anomala subsp. petiolaris , Climbing hydrangea ,zone= 4 , sow 1m @ 39ºF, move to 70ºF for germ. Hydrangea quercifolia , Oakleaf hydrangea ,zone= 5 , sow fresh seed only, @ 70ºF Hypericum prolificum , Shrubby St. Johnswort ,zone= 3 , sow @ 70ºF Iberis sempervirens , Candytuft ,zone= 4 , sow @ 70ºF Ilex aquifolium , English Holly ,zone= 6 , see I. cornuta Ilex cornuta , Chinese holly ,zone= 7 , wash seed 3x daily 14d, then sow @ 72ºF for slow germ. up to 18 months in bagged pots Ilex crenata , Japanese Holly ,zone= 6 , see I. cornuta, except shorter time to germ. Ilex opaca , American Holly ,zone= 5 , see I. cornuta Ilex vomitoria , Yaupon ,zone= 7 , see I. cornuta, except shorter time to germ. Illicium floridanum , Florida anise-tree ,zone= 8 , sow @ 70ºF Itea virginica , Sweetspire ,zone= 5 , sow @ 70ºF Juglans cinerea , Butternut ,zone= 4 , direct sow outdoors in the fall Juglans nigra , Black Walnut ,zone= 4, direct sow outdoors in the fall Juglans regia , English Walnut ,zone= 5 , direct sow outdoors in the fall Juniperus chinensis , Chinese Juniper ,zone= 4 , gather ripe berries, wash seed 3x daily 7d, scarify, then sow 4m @ 39ºF, move to 70ºF for germ. Juniperus communis , Juniper ,zone= 7 , see J. chinensis Juniperus conferta , Shore juniper ,zone= 6 , see J. chinensis Juniperus horizontalis , Creeping Juniper ,zone= 4 , see J. chinensis Juniperus sabina , Savin juniper ,zone= 3 , see J. chinensis Juniperus virginiana , Eastern Red Cedar ,zone= 4 , see J. chinensis Kalmia angustifolia , Sheep Laurel ,zone= 2 , sow @ 70ºF on peat moss in light Kalmia latifolia , Mountain-laurel ,zone= 4 , sow @ 70ºF on peat moss in light Kalopanax pictus , Castor-aralia ,zone= 4 , scarify, sow 3m @ 70ºF, then 3m @ 39ºF, move to 70ºF for germ. Koelreuteria paniculata , Varnish tree ,zone= 5 , scarify, sow 3m @ 39ºF, move to 70ºF for germ. Kolkwitzia amabilis , Beautybush ,zone= 4 , sow @ 70ºF Laburnum x watereri , Goldenchain tree ,zone= 5 , scarify, sow @ 70ºF Lagerstroemia indica , Crapemyrtle ,zone= 7 , sow 2m @ 39ºF, move to 70ºF for germ. Larix decidua , European Larch ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Larix gmelinii , Dahurian Larch ,zone= 1 , sow 2m @ 39ºF, move to 70ºF for germ. Larix kaempferi , Japanese Larch ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Larix laricina , American Larch ,zone= 2 , sow 2m @ 39ºF, move to 70ºF for germ. Larix occidentalis , Western Larch ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Larix russica , Siberian Larch ,zone= 1 , sow 2m @ 39ºF, move to 70ºF for germ. Ledum groenlandicum , Labrador tea ,zone= 2 , sow @ 70ºF on peat moss Leiophyllum buxifolium , Box sandmyrtle ,zone= 5 , sow @ 70ºF on peat moss Lespedeza bicolor , Shrub bushclover ,zone= 4 , direct sow outdoors Leucothoe fontanesiana , Fetterbush ,zone= 4 , sow @ 70ºF on peat moss Ligustrum amurense , Amur privet ,zone= 3 , wash seed 3x daily 7d, direct sow outdoors Ligustrum japonicum , Japanese privet ,zone= 7 , wash seed 3x daily 7d, direct sow outdoors Ligustrum obtusifolium , Border privet ,zone= 3 , wash 3x daily 7d, store seed 6m, then sow @ 70ºF for germ. in 13 wks Ligustrum sinense , Chinese privet ,zone= 7 , wash seed 3x daily 7d, direct sow outdoors Lindera benzoin , Spice Bush ,zone= 5 , sow 4wks @ 77ºF, then 3m @ 39ºF, move to 70ºF for germ. Lindera obtusiloba , Japanese spicebush ,zone= 6 , see L. benzoin Liquidambar formosana , Formosan Gum ,zone= 7 , sow 1 to 3m @ 39ºF, move to 70ºF for germ. Liquidambar styraciflua , Liquidambar ,zone= 5 , sow 1 to 3m @ 39ºF, move to 70ºF for germ. Liriodendron tulipifera , Tulip Tree ,zone= 4 , sow 2 to 3m @ 39ºF, move to 70ºF for germ. Liriope spicata , Lilyturf ,zone= 4 , wash seed 3x daily 7d, direct sow outdoors Lonicera alpigena , Alps honeysuckle ,zone= 6 , sow 2m @ 39ºF, then 2m @ 70ºF, recycle until germ. occurs Maackia amurensis , Amur maackia ,zone= 3 , hot water soak o/n, sow @ 70ºF Maackia chinensis , Chinese maackia ,zone= 5 , hot water soak o/n, sow @ 70ºF Maclura pomifera , Osage Orange ,zone= 5 , soak, sow 4 wks @ 39ºF, move to 70ºF for germ. Magnolia acuminata and other species , Cucumber tree ,zone= 3 , remove seed coat, sow 3m @ 39ºF, then direct sow outdoors Mahonia aquifolium , Oregon grapeholly ,zone= 4 , sow fresh seed 3m @ 39ºF, move to 70ºF for germ. (do not dry store seeds) Malus hupehensis , Tea crabapple ,zone= 5 , sow 2m @ 39ºF, move to 70ºF for germ. Melia azedarach , Chinaberry ,zone= 7 , sow @ 70ºF Metasequoia glyptostroboides , Dawn Redwood ,zone= 5 , sow @ 70ºF Mitchella repens , Partridgeberry ,zone= 3 , sow 2m @ 39ºF, move to 70ºF for germ. Morus alba , White Mulberry ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Morus rubra , Red Mulberry ,zone= 5 , sow 2m @ 39ºF, move to 70ºF for germ. Myrica pensylvanica , Northern bayberry ,zone= 2 , remove wax from seeds collected in October, sow 3m @ 39ºF, move to 70ºF for germ. Nandina domestica , Nandina ,zone= 6 , direct sow outdoors for germ. in 2 years Nemopanthus mucronatus , Mountain Holly ,zone= 5 , sow 3m @ 70ºF, then 3m @ 39ºF, recycle for germ. in 3 years Nerium oleander , Oleander ,zone= 8 , sow @ 70ºF Nothofagus dombeyi , Coigue ,zone= 8, GA-3 soak, sow 1w @ 39ºF, move to 70ºF for germ. Nothofagus obliqua , Roble Beech ,zone= 8 , GA-3 soak, sow 3m @ 39ºF, move to 70ºF for germ. Nothofagus procera , Rauli Beech ,zone= 7 , see N. dombeyi Nothofagus pumilio , Lenga ,zone= 7 , see N. dombeyi Nothofagus solanderi v cliffortoides , Mountain Beech ,zone= 8 , GA-3 soak, sow 3m @ 39ºF, move to 70ºF for germ. Nyssa sinensis , Chinese Tupelo ,zone= 7 , direct sow outdoors Nyssa sylvatica , Black Gum ,zone= 3 , sow 2m @ 39ºF, move to 70ºF for germ. Ostrya virginiana , Ironwood ,zone= 4 , sow 6m @ 70ºF, then 6m @ 39ºF, recycle until germ. occurs Oxydendrum arboreum , Sourwood ,zone= 5 , sow @ 70ºF on peat moss Parrotia persica , Persian parrotia ,zone= 5 , sow 5m @ 68ºF night and 86ºF daytime temps, then 3m @ 39ºF, move to 70ºF for germ. Parrotiopsis jacquemontia , ,zone= 5 , sow 6m @ 70ºF, then 6m @ 39ºF, recycle until germ. occurs Parthenocissus quinquefolia , Virginia creeper ,zone= 3 , sow 4 wks @ 39ºF, move to 70ºF for germ. (invasive) Paulownia tomentosa , Princess Tree ,zone= 5 , sow @ 68ºF night and 86ºF daytime temps. in light for germ. in 2 to 3 wks. Phellodendron amurense , Amur Cork Tree ,zone= 3 , sow @ 70ºF Philadelphus coronarius , Mock Orange ,zone= 4 , direct sow outdoors Photinia villosa , Oriental photinia ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Physocarpus opulifolius , Ninebark ,zone= 2, sow 3m @ 39ºF, move to 70ºF for germ. Physocarpus opulifolius , Eastern ninebark ,zone= 2 , sow @ 70ºF Picea abies , Norway spruce ,zone= 2 , direct sow outdoors Picea brewerana , Brewer's Weeping Spruce ,zone= 6 , direct sow outdoors Picea engelmannii , Engelmann spruce ,zone= 2 , direct sow outdoors Picea glauca , White Spruce ,zone= 2 , direct sow outdoors Picea mariana , Black Spruce ,zone= 2 , direct sow outdoors Picea omorika , Serbian Spruce ,zone= 5, direct sow outdoors Picea orientalis , Oriental Spruce ,zone= 5, direct sow outdoors Picea pungens , Colorado Spruce ,zone= 5 , direct sow outdoors Picea pungens , Blue Colorado Spruce ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for low germ. Picea rubens , Red Spruce ,zone= 3 , direct sow outdoors Pieris japonica , Japanese pieris ,zone= 5 , sow @ 70ºF on peat moss Pinus aristata , Bristle Cone Pine ,zone= 3 , sow @ 70ºF Pinus banksiana , Jack Pine ,zone= 2 , sow 2w @ 39ºF, move to 70ºF for germ. Pinus cembra , Swiss Stone Pine ,zone= 1 , direct sow outdoors, or sow 9m @ 39ºF, move to 70ºF for germ. Pinus densiflora , Japanese Red Pine ,zone= 5 , sow @ 70ºF Pinus echinata , Shortleaf pine ,zone= 6 , sow @ 70ºF Pinus flexilis , Limber Pine ,zone= 3 , sow 2m @ 39ºF, move to 70ºF for germ, Pinus koraiensis , Korean Pine ,zone= 3 , sow @ 70ºF Pinus mugo , Swiss Mountain Pine ,zone= 3 , sow @ 70ºF Pinus nigra ssp nigra , Austrian Pine ,zone= 5 , sow @ 70ºF Pinus parviflora , Japanese White Pine ,zone= 5, sow 3m @ 39ºF, move to 70ºF for germ. Pinus peuce , Macedonian Pine ,zone= 5 , sow 2m @ 39ºF, move to 70ºF for germ. Pinus ponderosa , Ponderosa Pine ,zone= 4 , sow @ 70ºF Pinus resinosa , Red Pine ,zone= 3 , sow @ 70ºF Pinus rigida , Pitch Pine ,zone= 4 , sow @ 70ºF Pinus sabiniana , Digger Pine ,zone= 8 , sow 2m @ 39ºF, move to 70ºF for germ. Pinus strobus , Eastern White Pine ,zone= 3 , sow 2m @ 39ºF, move to 70ºF for germ. Pinus sylvestris , Scots Pine ,zone= 2 , sow @ 70ºF Pinus taeda , Loblolly Pine ,zone= 7 , sow @ 70ºF Pinus thunbergii (thunbergiana) , Japanese Black Pine ,zone= 6 , sow @ 70ºF Pistacia chinensis , Chinese pistache ,zone= 6 , Collect bluish color fruits only, wash seed 3x daily 7d, sow @ 39ºF in damp paper towels, check for radicle emergence in approx. in 50-60d, then sow outdoors. Platanus occidentalis , American Plane ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Platanus orientalis , Oriental Plane ,zone= 7 , sow 2m @ 39ºF, move to 70ºF for germ. Platanus x acerifolia , London planetree ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ. Poncirus trifoliata , Hardy-orange ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Populus alba , White Poplar ,zone= 3 , sow @ 70ºF, if you must Populus tremuloides , American Aspen ,zone= 1 , sow @ 70ºF Potentilla fruticosa , Bush cinquefoil ,zone= 2 , sow @ 70ºF Prinsepia sinensis , Cherry prinsepia ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Prunus avium , Sweet Cherry ,zone= 3 , wash fresh seed 3x daily 7d, sow 3m @ 70ºF, then 3m @ 39ºF, recycle for germ. in 3rd and 5th periods, i.e., 70,39,(70), 39, (70) Prunus caroliniana , Carolina cherrylaurel ,zone= 7 , direct sow outdoors in the fall Prunus cerasifera , Cherry plum ,zone= 4 , wash seed 3x daily 7d, direct sow outdoors in the fall Prunus laurocerasus , English laurel ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Pseudocydonia sinensis , Chinese quince ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Pseudolarix x kaempferi , Golden-larch ,zone= 4 , sow 2m @ 39ºF, move to 70ºF for germ., low fertility Pseudotsuga menziesii , Douglas Fir ,zone= 7 , sow @ 70ºF Ptelea trifoliata , Hoptree ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Pterocarya fraxinifolia , Caucasian Wingnut ,zone= 5 , sow fresh seed @ 70ºF, direct sow dry seed outdoors Pterostyrax hispida , Fragrant Epaulette Tree ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Punica granatum , Pomegranate ,zone= 7 , sow @ 70ºF Pyracantha coccinea bs , Scarlet firethorn ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Pyrus calleryana 'bradford' , Bradford callery pear ,zone= 4 , sow 3m @ 33ºF, move to 70ºF for germ. Quercus acutissima , Sawtooth oak ,zone= 5 , direct sow outdoors in the fall Quercus alba , White Oak ,zone= 4 , direct sow outdoors in the fall Quercus coccinea , Scarlet Oak ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Quercus imbricaria , Shingle oak ,zone= 4 , direct sow outdoors in the fall Quercus macrocarpa , Bur Oak ,zone= 3 , direct sow outdoors in the fall Quercus palustris , Pin oak ,zone= 4 , direct sow outdoors in the fall Quercus phellos , Willow Oak ,zone= 6 , sow 3m @ 70ºF, then 3m @ 39ºF, recycle Quercus robur , English Oak ,zone= 6 , sow @ 70ºF Quercus rubra , Red Oak ,zone= 3 , sow 6w @ 39ºF, move to 70ºF for germ. Quercus virginiana , Live Oak ,zone= 7 , direct sow outdoors in the fall Raphiolepis umbellata , Indian hawthorn ,zone= 7 , wash seed 3x daily 7d, direct sow outdoors Rhamnus cathartica , Common buckthorn ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Rhamnus frangula , Alder Buckthorn ,zone= 3 , sow 2m @ 39ºF, move to 70ºF for germ. Rhododendron carolinianum , Carolina rhododendron ,zone= 5 , sow @ 70ºF on peat moss Rhododendron catawbiense , Catawba rhododendron ,zone= 4 , sow @ 70ºF on peat moss Rhododendron mucronulatum , Korean rhododendron ,zone= 4 , sow @ 70ºF on peat moss Rhododendron schlippenbachii , Royal azalea ,zone= 4 , sow @ 70ºF on peat moss Rhodotypos scandens , White Kerria ,zone= 5 , scarify, sow 2m @ 39ºF, move to 70ºF for germ. Rhus typhina , Staghorn Sumach ,zone= 3 , scarify, sow @ 70ºF Ribes alpinum , Alpine currant ,zone= 2 , direct sow outdoors Robinia pseudoacacia , Black Locust ,zone= 3 , scarify, hot water soak, sow @ 70ºF Rosa multiflora , Japanese rose ,zone= 5 , sow 4m @ 39ºF, move to 70ºF for germ. Rosa rugosa , Saltspray rose ,zone= 2 , sow 4m @ 39ºF, move to 70ºF for germ. Salix alba , White Willow ,zone= 2 , sow fresh seed @ 70ºF Sambucus canadensis , American elder ,zone= 3 , sow 2m @ 68ºF, then 4m @ 39ºF in moist sand Santolina chamaecyparissus , Lavender cotton ,zone= 6 , sow @ 70ºF Sapindus drummondii , Western soapberry ,zone= 6 , wash seed 3x daily 7d, sow 50-60d @ 39ºF in damp paper towels until radicles emerge, then sow outdoors Sassafras albidum , Sassafras ,zone= 4 , sow 4m @ 39ºF, move to 70ºF for germ. Sciadopytis verticillata , Japanese Umbrella Pine ,zone= 6 ,sow 3m @ 65ºF in moist sand, then 3m @ 39ºF on peat moss Sequoia sempervirens , Californian Redwood ,zone= 8 , direct sow outdoors in half shade after last frost in the spring. Sequoiadendron giganteum , Giant Sequoia ,zone= 7 , sow @ 70ºF in darkness Shepherdia canadensis , Russet buffaloberry ,zone= 2 , scarify, sow 3m @ 39ºF, move to 70ºF for germ. Skimmia japonica , Japanese skimmia ,zone= 7 , wash seed 3x daily 7d, sow @ 70ºF Sophora japonica , Japanese Pagoda Tree ,zone= 5 , scarify, sow @ 70ºF Sorbaria sorbifolia , Ural false spirea ,zone= 2 , sow fresh seed @ 70ºF Sorbus alnifolia , Korean Mountain Ash ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Sorbus americana , American Mountain Ash ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Sorbus aria , Whitebeam ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Sorbus aucuparia , Mountain Ash ,zone= 2 , sow 3m @ 39ºF, move to 70ºF for germ. Sorbus cashmeriana , ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Spiraea x vanhouttei , Vanhoutte spirea ,zone= 3 , direct sow outdoors Staphylea trifolia , Bladdernut ,zone= 5 , sow fresh seed only 3m @ 70ºF, then 3m @ 39ºF, move to 70ºF for germ. Stephanandra incisa , Cutleaf stephanandra ,zone= 3 , sow fresh seed only 3m @ 70ºF, then 3m @ 39ºF, move to 70ºF for germ. Stewartia ovata v grandiflora , Mountain Camellia ,zone= 5 , direct sow outdoors in the fall for germ. in the second following spring. Stewartia pseudocamellia , Japanese Stewartia ,zone= 5 , direct sow outdoors for germ. in about 17m Styrax japonicum , Japanese Snowbell ,zone= 5 , direct sow outdoors in the fall for germ. in the second following spring. Styrax obassia , Fragrant Snowbell Tree ,zone= 6 , difficult, if at all Symphoricarpos albus , Snowberry ,zone= 3 , scarify, sow 3m @ 70ºF, then 3m @ 39ºF, move to 70ºF for germ. Seed will not tolerate dry storage. Symplocos paniculata , Sapphireberry ,zone= 4 , sow 3m @ 70ºF, then 3m @ 39ºF, move to 70ºF for germ. Syringa reticulata , Japanese Tree Lilac ,zone= 5 , direct sow outdoors Tamarix ramosissima , Five-stamen tamarix ,zone= 3 , sow @ 70ºF Taxodium ascendens , Pond Cypress ,zone= 5 , soak 5 min. in ethyl alcohol, sow 3m @ 39ºF, move to 70ºF for germ. Taxodium distichum , Bald cypress ,zone= 4 , soak 5 min. in ethyl alcohol, sow 3m @ 39ºF, move to 70ºF for germ. Taxus cuspidata , Japanese Yew ,zone= 6 , direct sow outdoors Thuja occidentalis , White Cedar ,zone= 2 , sow 2m @ 39ºF, move to 70ºF for germ. Thuja orientalis , Oriental arborvitae ,zone= 5 , sow 2m @ 39ºF, move to 70ºF for germ. Thuja plicata , Western Red Cedar ,zone= 6 , sow 2m @ 39ºF, move to 70ºF for germ. Thujopsis dolobrata , False arborvitae ,zone= 5 , difficult, give them to nature Tilia americana , American Basswood ,zone= 3 , difficult, give them to nature Tilia cordata , Small Leaved Lime ,zone= 3 , direct sow outdoors for germ. in about 17m Tilia tomentosa , Silver linden ,zone= 6 , difficult, give them to nature Tsuga canadensis , Canadian Hemlock ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Tsuga caroliniana , Carolina Hemlock ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Tsuga chinensis , Chinese Hemlock ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Tsuga heterophylla , Western Hemlock ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Tsuga mertensiana , Mountain Hemlock ,zone= ?, sow 3m @ 39ºF, move to 70ºF for germ. Ulmus alata , Winged Elm ,zone= 6 , sow 3m @ 39ºF, move to 70ºF for germ. Ulmus americana , American Elm ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Ulmus glabra , Wych Elm ,zone= 5 , sow 3m @ 39ºF, move to 70ºF for germ. Ulmus parvifolia , Chinese Elm ,zone= 5 , sow 2m @ 39ºF, move to 70ºF for germ. Ulmus pumila , Siberian Elm ,zone= 4 , sow 3m @ 39ºF, move to 70ºF for germ. Ulmus rubra , Slippery Elm ,zone= 3 , sow 3m @ 39ºF, move to 70ºF for germ. Vaccinium corymbosum , Highbush blueberry ,zone= 3 , direct sow outdoors Viburnum dentatum , Arrowwood viburnum ,zone= 2 , sow 6m to 17m @ 68ºF night and 86ºF daytime temps, then 2m @ 39ºF, recycle Viburnum dilatatum , Linden viburnum ,zone= 5 , sow 5m @ 70ºF, then 3m @ 39ºF, recycle Viburnum lantana , Wayfaring Tree ,zone= 3 , direct sow outdoors Viburnum lentago , Sheepberry ,zone= 2 , sow 5m to 9m @ 68ºF night and 86ºF daytime temps, then 2m to 4m @ 39ºF, recycle Viburnum opulus , European cranberrybush ,zone= 3 , sow 2m to 3m @ 68ºF night and 86ºF daytime temps, then 2m @ 39ºF, recycle Viburnum x burkwoodii , Burkwood viburnum ,zone= 3 , wash seeds 3x daily 7d, sow @ 70ºF in moist paper towels until radicles emerge, then direct sow outdoors Vitex negundo , Chastetree ,zone= 6 , direct sow outdoors Weigela floribunda , Japanese wisteria ,zone= 4 , direct sow outdoors Weigela florida , Weigela ,zone= 5 , direct sow outdoors Xanthoceras sorbifolium , Yellowhorn ,zone= 6 , sow @ 70ºF Zanthoxylum americanum , Northern Prickly Ash ,zone= 3 , direct sow outdoors in the fall Zelkova serrata , Japanese zelkova ,zone= 5 , sow 2m @ 39ºF, move to 70ºF for germ. Zenobia pulverulenta , Dusty zenobia ,zone= 5, sow @ 70ºF on peat moss Directory: sites -> default -> files files -> Answer True False 2 points Question 2 files -> Northern England’s set-jetting locations files -> Nstructions for Acquiring Excess Equipment online, through the 1033 Program files -> Occupational health and safety files -> The Black Panther Party’s Ten Point Program files -> International programs roel profile files -> Fermi Questions a guide for Teachers, Students, and Event Supervisors Lloyd Abrams, Ph. D. DuPont Company, cr&D/ccas experimental Station Wilmington, de 19880 files -> Personal Information Name: Maha Al-Ammari Nationality: Saudi Relationship Status Download 46.87 Kb. Share with your friends:
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