When does Chinkapin bloom?

Castanea pumila blooms in June and July, producing long, slender catkins that carry both male and female flowers.

What pollinates Chinkapin flowers?

Bees and beetles visit the catkins of Castanea pumila during its summer bloom and help move pollen between flowers.

How much sunlight does Chinkapin need?

Chinkapin grows best in full sun for the heaviest nut production but can tolerate part sun or dappled shade, especially as an understory tree.

What soil moisture does Chinkapin prefer?

Chinkapin does best in soil with medium, even moisture and good drainage, and it does not do well in constantly wet or waterlogged ground.

Is Chinkapin a large tree?

Chinkapin usually grows as a small to medium tree, often multi trunked, and stays smaller than its relative the American chestnut.

Is Chinkapin toxic to livestock?

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

Is Chinkapin HOA-friendly?

Chinkapin is generally an HOA-friendly choice in the right placement, with moderate maintenance.

Chinkapin

Name: Pollinator Patch
Author: Pollinator Patch

Castanea pumila

Last reviewed: September 2026

Castanea pumila is a small deciduous tree with cream colored catkins that bloom in June and July, growing well in sunny to lightly shaded sites with well drained soil across the eastern and southern United States.

Toxicity unknown

Chinkapin (Castanea pumila) 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 Chinkapin as toxic to livestock.

Light

full sun

Water

medium

Size

180"–360" H × 120"–240" W

Bloom

Jun, Jul

Native to

AL, AR, DE, FL and 18 more states

Pollinators

bees, beetles

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Western Gulf Coastal Plain South Central Plains Eastern Temperate Forests Ozark Highlands Piedmont Northeastern Coastal Zone Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Central Appalachians Mississippi Alluvial Plain Mississippi Valley Loess Plains Southern Coastal Plain Atlantic Coastal Pine Barrens

Chinkapin is a small native chestnut tree that produces edible nuts and fragrant white flower clusters in summer. This compact deciduous tree develops an attractive rounded crown and provides seasonal interest with spring blooms, summer foliage, and fall nut production.

Growing Chinkapin

Grow Chinkapin in full sun and medium water. Mature plants reach 180 to 360 inches tall and spread 120 to 240 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Chinkapin is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: mid zone, backyard only.

Large mature size may overwhelm smaller properties
Nut drop creates seasonal cleanup needs
Less common ornamental tree may seem unusual to some HOAs

Wildlife value

The fragrant summer flowers attract bees and beetles, while the edible nuts feed squirrels, chipmunks, and birds. This native tree supports various caterpillars that serve as food for songbirds.

Common questions

When does Chinkapin bloom?: Castanea pumila blooms in June and July, producing long, slender catkins that carry both male and female flowers.
What pollinates Chinkapin flowers?: Bees and beetles visit the catkins of Castanea pumila during its summer bloom and help move pollen between flowers.
How much sunlight does Chinkapin need?: Chinkapin grows best in full sun for the heaviest nut production but can tolerate part sun or dappled shade, especially as an understory tree.
What soil moisture does Chinkapin prefer?: Chinkapin does best in soil with medium, even moisture and good drainage, and it does not do well in constantly wet or waterlogged ground.
Is Chinkapin a large tree?: Chinkapin usually grows as a small to medium tree, often multi trunked, and stays smaller than its relative the American chestnut.
Is Chinkapin toxic to livestock?: The USDA PLANTS Database does not flag Chinkapin as toxic to livestock.
Is Chinkapin HOA-friendly?: Chinkapin is generally an HOA-friendly choice in the right placement, with moderate maintenance.

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

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

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