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GYMNOCLADUS dioica
Commonly known as Kentucky coffee tree, Knicker tree
Handsome slow growing tree with pods of seeds which were used as a substitute for coffee after roasting. Leaves pink tinted turning yellow before falling. Greenish-white flowers
Further Reading....
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Deciduous - large, 2-pinnate leaves to 1m (3ft) long, each leaflet divided into 8-14 oval leaflets.
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Green - greenish white
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Height - 20m (66ft) -
Spread - 15m (49ft)
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Tree
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Hardy - average winter - Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F) -
Full sun -
Caution, toxic if eaten - Do not eat these plants. - unroasted seeds and pods -
Additional Features - Pests & Diseases - - none -
Place of origin - central and eastern North America. -
Flower Shape - Panicles - - to 30cm (12in) long on female trees, 10-13cm (4-5in) on males
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Star-shaped
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Hardiness - Frost hardy (down to -5) -
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Seasonal Interest - Autumn -
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Spring
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Summer
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Soil Conditions - Fertile moist well-drained soil -
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Tree Shape - Rounded to broadly spreading -
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Gymnocladus dioica - Growing Guide
Trees - Care Guide
- How to plant a tree - Video Tip ondemand_video
- How to plant a tree
- Checking ties - Video Tip ondemand_video
- Restaking fallen young trees - Video Tip ondemand_video
- Fallen old tree - Video Tip ondemand_video
- Clearing up fallen beech tree - Video Tip ondemand_video
- Spring pruning - Video Tip ondemand_video
- Removing side shoots - Video Tip ondemand_video
- Pruning and Shaping Magnolia - Video Tip ondemand_video
- Deer protection - Video Tip ondemand_video
- Weed Spraying - Video Tip ondemand_video
- Removing Ivy - Video Tip ondemand_video
- Removing wire protection - Video Tip ondemand_video
- Tree Survey - Video Tip ondemand_video
- Crown uplift - Video Tip ondemand_video
- Removing shoots below graft - Video Tip ondemand_video
- Removing peeling bark - Video Tip ondemand_video
- Maintaining variegation - Video Tip ondemand_video
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20m (66ft)
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15m (49ft) |
Useful extras...
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50
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