Gymnocladus dioicus - Kentucky Coffee Tree - Photo courtesy of J. Frank Schmidt & Son Co.
Gymnocladus dioicus - Kentucky Coffee Tree - Fall Colour
Gymnocladus dioicus - Kentucky Coffee Tree

Kentucky Coffee Tree

Gymnocladus dioicus

  • Open oval crown with irregular branching
  • Greenish-white flowers appear on both male and female plants
  • Fertilized flowers on female plants give way to flat brown seed pods
  • Large compound leaves are blue-green in the summer
  • Fall colour is an insignificant yellow
  • Bloom Time: May to June

ZONE:
4

COLOUR:
Green

HEIGHT:
17-20 m

SPREAD:
13-15 m

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Growing and Maintenance Tips:


A good landscape tree for parks and large lawn areas. It has a striking winter silhouette. Seed pods, while visually attractive, can cause messy litter drop. 

 

Additional Notes about Kentucky Coffee Tree:


Native to Ontario and mid to eastern U.S.A.

Listed as a Threatened Species in Ontario under the Species at Risk Act.

Native Americans and early American settlers, especially those in the Kentucky area, roasted and ground the seeds to brew a coffee-like beverage (albeit no caffeine), hence the common name. Seeds are toxic unless roasted.

The flowers provide nectar for various insects. Because the foliage and seeds are poisonous, few animals will browse them.

Characteristics & Attributes


GROWTH RATE:
Medium
ATTRIBUTES:
Deciduous
Fall Color
FLOWERING TIME:
Lt. Spr-Sum
HABIT:
Spreading
Oval
FOLIAGE COLOR:
Blue
Yellow
Green
LANDSCAPE USES:
Specimen
PH TOLERANCE:
High (up to 8.0)