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TREES & Plants

Red Buckeye

Red buckeye is one of the earlist native trees to leaf out in the sping, followed by beautiful carmine-red flowers in late spring.

Botanical name: 
Aesculus pavia
All Common Names: 
Red Buckeye
Family (English): 
Soapberry (formerly Horse-chestnut)
Family (Botanic): 
Sapindaceae (formerly Hippocastanaceae)
Tree or Plant Type: 
  • Tree
Foliage: 
  • Deciduous (foliage falls off)
Native Locale: 
  • Illinois
  • North America
Hardiness Zones: 
  • Zone 4
  • Zone 5
  • Zone 6
  • Zone 7
  • Zone 8
  • Zone 9
Growth Rate: 
  • Slow
  • Medium
Light Exposure: 
  • Full sun (6 hrs direct light daily)
  • Partial sun (4-6 hrs light daily)
  • Full shade (4 hrs or less of light daily)
Tolerances: 
  • Occasional drought
  • Occasional flooding
  • Clay soil
Soil Preference: 
  • Moist, well-drained soil
Flower Color & Fragrance: 
  • Red
Size Range: 
  • Small tree (15-25 feet)
  • Compact tree (10-15 feet)
  • Large shrub (more than 8 feet)
Shape or Form: 
  • Multi-stemmed
  • Oval
  • Round
Landscape Uses: 
  • Specimen
  • Screen
Time of Year: 
  • Late spring
More Information: 

Size and Form

10 to 20 feet high and 15 to 25 feet wide;  round to oval shape

Tree & Plant Care

May be difficult to find in nursery trade.
Best sited in part shade
Supply adequate moisture in full sun.

Disease, pests and problems

Powdery mildew, leaf blotch

Native geographic location and habitat

Native to the southern United States, up into the southern tip of Illinois.

Bark color and texture 

Bark is dark brown; relatively smooth; flaking off with age.

Red buckeye (Aesculus pavia)Red buckeye (Aesculus pavia)photo: John Hagstrom

Leaf or needle arrangement, size, shape, and texture

Opposite, palmately compound with 5 leaflets; 3 to 6 inches long
Handsome, dark green in summer with minimal fall color

Flower arrangement, shape, and size

Terminal clusters, 4 to 8 inches long, of carmine-red flowers

Fruit, cone, nut, and seed descriptions

Shiny, brown nuts (buckeyes) in a smooth, oval husk
Buckeyes should not be eaten.