When does Chinese Chestnut bloom?

Chinese Chestnut blooms during June and July, producing fragrant catkin flowers that attract various pollinators.

What pollinators visit Chinese Chestnut?

Bees and beetles are the primary pollinators of Chinese Chestnut flowers during the summer blooming period.

Where is Chinese Chestnut native?

Chinese Chestnut is documented as native to Illinois, though it was originally introduced from Asia and has naturalized in some regions.

What growing conditions does Chinese Chestnut prefer?

Chinese Chestnut grows best in full sun with medium water requirements, though it can tolerate a range of light and moisture conditions once established.

Is Chinese Chestnut toxic to livestock?

The USDA PLANTS Database does not flag Chinese Chestnut as toxic to livestock.

Is Chinese Chestnut HOA-friendly?

Chinese Chestnut takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Chinese Chestnut

Name: Pollinator Patch
Author: Pollinator Patch

Castanea mollissima

Last reviewed: August 2026

Chinese Chestnut (Castanea mollissima) is a perennial tree. It blooms in June and July. The flowers draw bees and beetles.

Toxicity unknown

Chinese Chestnut (Castanea mollissima) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

The USDA PLANTS Database (opens in new tab) does not flag Chinese Chestnut as toxic to livestock.

Light

full sun

Water

medium

Size

288"–600" H × 240"–480" W

Bloom

Jun, Jul

Pollinators

bees, beetles

Native alternatives to Chinese Chestnut

Chinese Chestnut is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

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Chinese chestnut is a medium to large deciduous tree that produces edible nuts and fragrant white flower clusters in early summer. It develops a broad, rounded crown and can serve as an excellent shade tree for larger properties.

Growing Chinese Chestnut

Grow Chinese Chestnut in full sun and medium water. Mature plants reach 288 to 600 inches tall and spread 240 to 480 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Chinese Chestnut takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Very large mature size may violate size restrictions
Nut drop creates maintenance issues

Wildlife value

The fragrant summer blooms attract bees and beetles for pollination. The nuts provide food for squirrels and other wildlife.

Common questions

When does Chinese Chestnut bloom?: Chinese Chestnut blooms during June and July, producing fragrant catkin flowers that attract various pollinators.
What pollinators visit Chinese Chestnut?: Bees and beetles are the primary pollinators of Chinese Chestnut flowers during the summer blooming period.
Where is Chinese Chestnut native?: Chinese Chestnut is documented as native to Illinois, though it was originally introduced from Asia and has naturalized in some regions.
What growing conditions does Chinese Chestnut prefer?: Chinese Chestnut grows best in full sun with medium water requirements, though it can tolerate a range of light and moisture conditions once established.
Is Chinese Chestnut toxic to livestock?: The USDA PLANTS Database does not flag Chinese Chestnut as toxic to livestock.
Is Chinese Chestnut HOA-friendly?: Chinese Chestnut takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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