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Aesculus x carnea (photo courtesy of Monrovia)
Aesculus x carnea (photo courtesy of Monrovia)

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Zone
Zones 1-10, 12, 14-17, 32-43
Full Sun
Full
Regular Water
Moderate
Toxicity
Seeds are slightly toxic if ingested.

Aesculus hippocastanum

Common Horsechestnut
Sapindaceae
Deciduous, Trees

AESCULUS

These big, bold plants have an almost tropical look. The leaves are divided fanwise into large, toothed leaflets. Showy spring flowers, borne at ends of branches in long, dense clusters, attract hummingbirds. In autumn, leathery fruit capsules enclose glossy seeds. Prune established horsechestnuts only to eliminate dead or damaged wood and any awkward-looking branches.

Aesculus hippocastanum

Native to Europe. Reaching 60 ft. high, with a 40-ft. spread, this bulky, densely foliaged plant gives heavy shade. Invasive roots can break up paved surfaces. Leaves are divided into five to seven toothed, 4–10-in.-long leaflets. Spectacular flower show: ivory blooms with pink markings are borne in 1-ft.-long plumes.

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