Aesculus × carnea
Red Horsechestnut

Family:

Sapindaceae (Soapberry Family) 88

Genus:

Aesculus (Horsechestnut Buckeye) 10

Plant Type:

Tree 583

Growth Forms:

Upright 578

Hardiness:

USDA Zone 4 523

Deciduous / Evergreen:

Deciduous 849

Flower Notes:

Red (Rose-red 6-8" flower clusters (panicles) in spring)

Foliage Notes:

Green (Dark green palmately compound leaves in summer); Brown (There is no fall color change for this species)

Fruit Notes:

Brown (Fall fruits are spiny and poisonous if ingested)

Ultimate Height:

30-40 feet

Ultimate Spread:

30-40 feet

Bloom Times:

May 208

Fruiting Times:

Light Requirements:

Soil Notes:

Prefers acidic, well-drained soil

Range:

Hybrid origin

Maintenance:

Medium 87

Diagnostic Characteristics:

Often slightly recurved and twisted, the opposite, palmately compound leaves have 5-leaflets (occasionally 7). No pubescence under leaf (although petiolules have slight pubescence). Terminal buds not sticky, nor as large, as in Aesculus hippocastanum.

Ecological Functions:

Pollen and/or Nectar Producer 292

Purdue Plant Doctor

Parts and Problems of Buckeye, Horse Chestnut

Special Characteristics:

Additional Information

More drought resistant and more resistant to blotch and mildew than A. hippocastanum. Comes true to type from seed. Flowers at early age. Does not perform well in dry sites. Prickly fruits may be a problem underfoot. Fruits are poisonous (containing toxic saponins). Often develops branches having narrow crotch angles (branches that should be removed).

Plant Photo Gallery

Flowering Tree

Flowers

Flower Panicle

Leaf

Winter Habit

Unripe Fruit

When Aesculus × carnea has been observed flowering or fruiting at Purdue University

Flowering

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Fruiting

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

Week 1 fruiting not present	Week 2 fruiting not present	Week 3 fruiting not present	Week 4 fruiting not present	Week 5 fruiting not present	Week 6 fruiting not present	Week 7 fruiting not present	Week 8 fruiting not present	Week 9 fruiting not present	Week 10 fruiting not present	Week 11 fruiting not present	Week 12 fruiting not present	Week 13 fruiting not present	Week 14 fruiting not present	Week 15 fruiting not present	Week 16 fruiting not present	Week 17 fruiting not present	Week 18 fruiting not present	Week 19 fruiting not present	Week 20 fruiting not present	Week 21 fruiting not present	Week 22 fruiting not present	Week 23 fruiting present	Week 24 fruiting present	Week 25 fruiting present	Week 26 fruiting present	Week 27 fruiting present	Week 28 fruiting present	Week 29 fruiting present	Week 30 fruiting present	Week 31 fruiting present	Week 32 fruiting present	Week 33 fruiting present	Week 34 fruiting not present	Week 35 fruiting present	Week 36 fruiting present	Week 37 fruiting present	Week 38 fruiting not present	Week 39 fruiting not present	Week 40 fruiting not present	Week 41 fruiting not present	Week 42 fruiting not present	Week 43 fruiting not present	Week 44 fruiting not present	Week 45 fruiting not present	Week 46 fruiting not present	Week 47 fruiting not present	Week 48 fruiting not present	Week 49 fruiting not present	Week 50 fruiting not present	Week 51 fruiting not present	Week 52 fruiting not present

8 Aesculus × carnea found

Building Map...

= Heritage plant = Memorial plant

Number	Accession ID	Location
1	ORIG_4967*A	SCPA
2	ORIG_4366*A	WILY
3	2009_13067*A	HORTPARK
4	ORIG_4966*A	SCPA
5	ORIG_4968*A	SCPA
6	2021_00012*A	JNSN
7	2021_00012*B	JNSN
8	2023_00684*A	DANL