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Common Horsechestnut

Aesculus hippocastanum (ES-kew-lus hip-oh-kas-TAY-num)

Family: Sapindaceae Non-native Canopy (>40 ft)

maple family (Sapindaceae) Diseases/ other issues: Subject to leaf blotch, leaf scorch, powdery mildew; leaves often die in early fall Found in : Landscape as cultivated flowering tree and street tree Poison Part: Seeds and tea made from leaves and sprouts Site : Sun to partial shade; moist, well-drained soil; dislikes dry soil Texture : Medium to coarse Form : Upright; oval to rounded crown VIDEO created by Andy Pulte for “Landscape Plant Identification, Taxonomy and Morphology” a plant identification course offered by the Department of Plant Sciences, University of Tennessee.

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 43 attributes.

How it fits the guild

Guild layer 1 - Canopy (>40 ft)
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Full plant profile

Growing Conditions
Plant type
Poisonous; Tree
Life cycle
Woody
USDA zones
4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b
Light
Full sun (6 or more hours of direct sunlight a day) | Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Soil drainage
Good Drainage
Mature size
Height: 50 ft. 0 in. - 75 ft. 0 in. | Width: 40 ft. 0 in. - 70 ft. 0 in.
Growth rate
Medium
Canopy layer
1 - Canopy (>40 ft)
Form & Appearance
Habit / form
Erect; Oval; Rounded
Texture
Medium
Foliage
Deciduous
Leaf type
Compound (Pinnately , Bipinnately, Palmately)
Leaf arrangement
Opposite
Leaf margin
Lobed; Serrate
Hairs present
No
Leaf detail
Leaves include 7 lobes, are non-showy, and have yellow fall color. They are also opposite, palmately divided with 5 leaflets.
Fall color
Gold/Yellow
Flower color
Gold/Yellow; Red/Burgundy; White
Flower form
Panicle
Flower detail
There are 5 to 12' panicle of creamy white flowers, which are large, with a yellow throat and red speckled center (in a large terminal cluster).
Fruit color
Brown/Copper
Fruit size
1-3 inches long
Fruit detail
Fruit is 1 to 2 in., prickly, leathery capsule with large, shiny, brown seeds (each with a pale scar).
Wildlife & Ecology
Native status
Non-native
Origin
Europe
Attracts
Bees; Hummingbirds
Food & Medicine

Uses (ethnobotany)

The fruit husk can be used to produce a textile dye.

Landscape Use
Design feature
Flowering Tree; Street Tree
Garden tags
#deciduous #flowering tree #street tree #poisonous #full sun tolerant #problem for cats #problem for dogs #problem for horses #partial shade tolerant #landscape plant sleuths course #fall color #dye plant
Problems & Resistance
Problems
Poisonous to Humans; Problem for Cats; Problem for Dogs; Problem for Horses
Poison severity
High
Poison parts
Bark; Flowers; Fruits; Leaves; Seeds; Stems
Poison symptoms
Poisonous if ingested. HIGHLY TOXIC, MAY BE FATAL IF EATEN! Symptoms may include muscle weakness and paralysis, dilated pupils, vomiting, diarrhea, depression, paralysis, and stupor. (Poison Part: Seeds and tea made from leaves and sprouts)
Toxic principle
Glycoside aesculin, saponin aescin, possibly alkaloids
Contact dermatitis
No
Toxicity summary
High severity poison; parts: Bark; Flowers; Fruits; Leaves; Seeds; Stems

Planted at Hunnicutt

Nobody’s planted this one yet.