Red Horsechestnut, Red Horse Chestnut, Bottlebrush Buckeye 'O'Neill's Red'

Aesculusx carnea

Family
Sapindaceae (sap-in-DAY-see-ee)
Genus
Aesculus (ES-kew-lus)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Deciduous
Provides Winter Interest
Height
over 40 ft. (12 m)
Spacing
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Pink
Bloom Time
Late Spring/Early Summer
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Carson City, Nevada

Lexington, Virginia

Madison, Wisconsin

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
Sort By:
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K
Carson City, NV (Zone 6b) | June 2010 | positive

There are two of these trees in my neighborhood. They are very attractive and bloom right after the lilacs are done. They seem to hold ...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Aesculus carnea 'O'Neill Red' RED-FLWD HORSECHESTNUT Dec (z4)
Striking 10-12"! "candles" of red decorate this handsome rounded 40...Read More

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