My Deer Garden

Is Common Horsechestnut deer resistant?

Aesculus hippocastanum

Botanical illustration of horsechestnut
Photo by Kilom691, Public domain. Via Wikimedia Commons.
Occasionally damaged

Browsed where deer pressure is high. Protect it.

Rating source: Rutgers NJAES E271

Plant typeTreeHardinessZones 4–7LightFull sun
Mature height600–900 in
MaintenanceHigh, wants regular attention

Toxic to cats and dogs if eaten

About Common Horsechestnut

Magnificent in flower and a considerable nuisance afterwards, dropping conkers and their spiny husks across whatever is beneath. Leaf blotch and leaf miner make it look scorched by August in most years. The red horsechestnut is smaller, cleaner and far less affected.

Soil and care

Soil pH
6 to 7.5
Drainage
Consistently moist
Water
Moderate
Spacing
236 to 354 in apart
Growth rate
Moderate
Maintenance
High

Deer-resistant alternatives to Common Horsechestnut

Same plant type, hardy in the same zones, but rated better on the Rutgers scale. If Common Horsechestnut keeps getting eaten, these go in the same spot.

Similar to Common Horsechestnut

Other trees with the same deer rating.

Protecting Common Horsechestnut

Whether this survives comes down to local pressure, so it is worth knowing the options before it gets browsed rather than after.

Where Common Horsechestnut grows

Hardy across most of these 48 states on zone range alone. Mountain and coastal areas sit outside the ranges used here, so check your own zone before ordering.

Browse from here

Every list Common Horsechestnut belongs to.

Hardy in these zones

Common questions about Common Horsechestnut

Is Common Horsechestnut deer resistant?
Common Horsechestnut (Aesculus hippocastanum) is rated Occasionally Severely Damaged on the Rutgers NJAES four-tier scale. Browsed where deer pressure is high. Protect it.
What hardiness zones does Common Horsechestnut grow in?
Common Horsechestnut is hardy in USDA zones 4 to 7. Outside that range it will either not survive winter or will struggle with summer heat.
Does Common Horsechestnut grow in shade?
No. Common Horsechestnut wants full sun and will grow thin and flop in shade.
How big does Common Horsechestnut get?
Mature height is roughly 600–900 in. Growth rate is moderate.
Is Common Horsechestnut toxic to dogs or cats?
Yes. The ASPCA lists Common Horsechestnut as toxic to dogs, cats, and horses. Site it away from where animals graze, or choose something else if you have a dog that chews.