Green Hawthorn
Crataegus viridis
Last reviewed: June 2026
Green Hawthorn (Crataegus viridis) 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 Green Hawthorn as toxic to livestock.
Light
part sun
Water
high
Size
480"–600" H × 6"–18" W
Bloom
Mar, Apr, May
Native to
AL, AR, FL, GA and 16 more states
Pollinators
butterflies, bees
Browse plants for this ecoregion
Green Hawthorn is a native Texas tree that produces clusters of white flowers in spring followed by small red berries. It grows 40-50 feet tall with a rounded canopy and provides excellent seasonal interest with spring blooms, summer fruit, and fall color.
In an HOA neighborhood
Green Hawthorn takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Tree size exceeds typical HOA-friendly range
- Best suited for backyard or with special approval
Wildlife value
The spring flowers attract bees and butterflies for nectar, while the red berries feed birds throughout fall and winter. This tree serves as a host plant for several butterfly species and provides nesting sites for birds.
Common questions
- How much sun does Green Hawthorn need?
- Green Hawthorn grows best in part sun conditions.
- When does Green Hawthorn bloom?
- Green Hawthorn blooms in March, April, and May.
- Where is Green Hawthorn native?
- Green Hawthorn (Crataegus viridis) is native to AL, AR, FL, GA and 16 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Green Hawthorn toxic to dogs?
- Green Hawthorn is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Green Hawthorn toxic to cats?
- Green Hawthorn is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- Is Green Hawthorn toxic to livestock?
- The USDA PLANTS Database does not flag Green Hawthorn as toxic to livestock.
- What pollinators does Green Hawthorn attract?
- Green Hawthorn draws butterflies and bees.
- Is Green Hawthorn HOA-friendly?
- Green Hawthorn takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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.
Does Green Hawthorn fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.