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....
  • Deciduous
    Large leaves to 1m (3ft) long, each leaflet divided again into 8-14 ovate leaflets.
  • Green
    Greenish white
  • Height
    20m (65ft)
  • Spread
    15m (49ft)
  • Tree
  • Hardy - cold winter
    Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
  • Full sun

GYMNOCLADUS dioica

 

 

  • 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
    Star-shaped
  • Hardiness
    Fully hardy
  • Leaf form
    Bipinnate
    		(see photos above)
  • Leaf margin
    Entire
    		(see photos above)
  • Leaf shape
    Ovate
    		(see photos above)
  • Seasonal Interest
    Autumn
    Spring
    Summer
  • Soil Conditions
    Fertile moist well-drained soil
  • Toxic - Category C
    Harmful if eaten
    (People & Pets)
  • 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
20m (65ft)
 tree - guide for size not form Average Person
  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)
3 options from £3.00

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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