Chicago Botanic Garden Bonsai Plan



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APPENDIX III




CHICAGO BOTANIC GARDEN

BONSAI MANAGEMENT POLICY




PURPOSE

To collect and display a broad diversity of both bonsai styles and plants which provide seasonal interest.

CONTENT

Two hundred display-quality bonsai and seventy-five bonsai in training or recovery will comprise the collection demonstrating a broad range of taxa, styles, size, and seasonal interest. This number is ideal from a staffing and space perspective and also allows a rotation process for the maintenance of the bonsai which allows the plants recovery time when not on display, as well as providing displays with more variety. There are currently fifty formal display plants in the Regenstein Courtyards and one displayed at special times in the Nolan Garden at the Rice Plant Resource Center. For each new donated specimen to be accessioned, a current specimen will be deaccessioned to maintain the desired number of 200 displayable bonsai once this level is attained. Because there are over one hundred styles that exist in bonsai, the collection will strive to show a range of twenty major styles that have the most popular appeal.
An equal balance of bonsai styles primarily focused around the five basic styles, based on trunk movement: formal upright, slanting, informal upright, cascade, semi-cascade, and the two styles that have different criteria for classification – bunjin (abstract), and broom, will be maintained. However, plants will naturally drift between different bonsai styles as they age and mature, and should be allowed to do so. An emphasis will be made to display plants that show seasonal color including both evergreen and deciduous plants, plants which have fruit, flowers, or display foliar color changes during different seasons, as well as plants with varied foliar shapes, heights, and pot sizes. Consideration will also be given to choosing taxa that will flourish in the high heat conditions of the Regenstein Courtyards.
Immature bonsai and non-displayable plants, (approximately 89 – see Appendix IIc) are works in progress and will be kept for future display. These plants include the in-ground plants in the nursery, unfinished/immature bonsai, propagation plants for new bonsai, and plants used for sales.

PLANT RECORDS

Display labels for the bonsai provide the scientific name, common name, age, and plant style.
The bonsai are also to be labeled with a number to index and inventory the collection. These number tags provide the means to track the plants and keep records of the individual bonsai. The number labels are to be attached to an inconspicuous place on the bonsai. A record is kept on every plant regarding: a) the donor; b) name of plant (common and scientific); c) style; d) repotting dates; and e) style changes. In 2009, an expanded record will be completed for each plant. These records will include estimated age and years in training, seasonal care, history, detailed plans for development, drawings, photographs, and videos of special training techniques used.
The Plant Records Department will be notified by the Bonsai Curator regarding new plants needing accessioning and also the plants to be taken out of production (deaccessioning). This information will be transmitted by the Bonsai Curator.
The Bonsai Curator is responsible for all record keeping from an institutional standpoint and is responsible for transmitting this information to the Living Plant Documentation Department.

SALES

The sale of bonsai starter plants, bonsai cuttings, pots, deaccessioned bonsai and miscellaneous donated items at various bonsai functions throughout the Chicagoland area is permissible and with proper notification to the Manager of Plant Production. The money raised from these sales provides the funding for professional and bonsai master’s critique of the Chicago Botanic Garden bonsai collection and money for small, specialized purchases (i.e., soil, containers, wire, tools, etc.). These funds are held in a Production Department account set aside for maintaining the bonsai collection.

DONATIONS/PURCHASES

Donations/purchases (as noted in the Plant Management Policy) will be accepted if they improve the quality of the collection and meet with the bonsai policy as established. The plant(s) must be donated without condition, as some of these plants could be sold. The appraisal costs must be done by the donor. The Bonsai Curator will decide which plants are accepted from donors or purchased. The Bonsai Society will be advisors to that process.

LOANS

Bonsai plants may not be loaned to other departments or organizations unless permission has been granted by the Executive Vice President and Director of the Garden as stated in the Plant Management Policy.

ACCESS

The Plant Production Department will provide access to the collection by request.

EVALUATION

The care of the bonsai collection will be evaluated by the Bonsai Curator during the growing season. Once a year, the Garden will bring in the Garden’s Bonsai Master to make evaluations and recommendations regarding the collection.
CURATION

The Bonsai Curator is responsible for the content and curation of the collection, in conjunction with and consulted by the Garden’s Bonsai Master and the Midwest Bonsai Society.

PROCEDURES

Daily maintenance of the bonsai in Plant Production is to be performed by the Manager of Plant Production, with the outdoor floriculturist as a back up when absent. These duties consist of watering and fertilizing. The Bonsai Curator and Bonsai Society volunteers perform the actual pruning, training, and repotting duties along with record keeping and proper placement for display in the courtyards. The Greenhouses Senior Horticulturist is responsible for watering the bonsai in Regenstein Courtyards.

The display schedule for the temperate bonsai:

a. Move out of winter storage when nighttime temperatures no longer fall below 35º Fahrenheit – April.

b. Move to the display areas in the Regenstein Courtyards – early May.

c. Move to Production from the display areas for overwintering – late October.
The tropical bonsai display schedule:

a. Move outdoors when nighttime temperatures no longer fall below 50º Fahrenheit – June.

b. Move to the display areas in the east courtyard – late June.

c. Move to Production from the display areas for overwintering when the temperatures begin to fall below 50º Fahrenheit – late September.


Bonsai should be rotated off display at the Regenstein Center at least three times during the display season to keep them healthy.
With the exception of the tropical bonsai plants, other bonsai are to be kept in a poly greenhouse set at approximately 35º Fahrenheit through the winter.
The tropical bonsai are to be placed in a greenhouse kept between 55º - 65º Fahrenheit in the day and no lower than 50º Fahrenheit at night in full sun with supplemental HID lights. Soil temperature is maintained at 70º - 75º Fahrenheit with supplemental bottom heat.





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