Washington Hawthorn
Crataegus phaenopyrum
Last reviewed: June 2026
Washington Hawthorn is a native deciduous tree found in Maine and other eastern states, producing clusters of white flowers in May and June. This adaptable hawthorn tolerates various growing conditions and attracts bees, beetles, and flies.
Washington Hawthorn (Crataegus phaenopyrum) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). 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 Washington Hawthorn as toxic to livestock.
Light
full sun
Water
medium
Size
240"–480" H × 240"–360" W
Bloom
May, Jun
Native to
ME
Pollinators
bees, beetles, flies
Washington hawthorn is a small to medium-sized native tree that produces clusters of white flowers in late spring followed by bright red berries in fall. It offers excellent four-season interest with spring blooms, summer foliage, colorful fall berries, and an attractive branching structure in winter.
Growing Washington Hawthorn
Grow Washington Hawthorn in full sun and medium water. Mature plants reach 240 to 480 inches tall and spread 240 to 360 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Washington Hawthorn is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.
Works well in: front yard, street edge, mid zone.
- Has thorns that may require careful placement away from walkways
- Berry drop in late winter may need cleanup
Wildlife value
The flowers attract bees, beetles, and flies in May and June. The persistent red berries provide important winter food for birds.
Common questions
- When does Washington Hawthorn bloom?
- Washington Hawthorn produces white flower clusters in May and June, providing an important nectar source for pollinators during late spring and early summer.
- What pollinators visit Washington Hawthorn?
- Washington Hawthorn attracts bees, beetles, and flies to its flowers. The abundant small white blooms in dense clusters make nectar and pollen readily accessible to these insects.
- Where is Washington Hawthorn native?
- Washington Hawthorn is native to eastern North America, including Maine and other states in the region. It grows naturally in woodland edges, fields, and disturbed areas.
- Is Washington Hawthorn toxic to dogs?
- Washington Hawthorn is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Washington Hawthorn toxic to cats?
- Washington Hawthorn is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- Is Washington Hawthorn toxic to livestock?
- The USDA PLANTS Database does not flag Washington Hawthorn as toxic to livestock.
- Is Washington Hawthorn HOA-friendly?
- Washington Hawthorn is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Washington Hawthorn? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz