Pear Hawthorn
Crataegus calpodendron
Last reviewed: June 2026
Pear Hawthorn (Crataegus calpodendron) 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.
Light
part sun
Water
medium
Size
180"–300" H × 120"–240" W
Bloom
May, Jun
Native to
AL, AR, GA, IA and 17 more states
Pollinators
bees, beetles, flies
Pear hawthorn is a native tree that produces clusters of white flowers in late spring followed by small red fruits. It develops a rounded crown and attractive fall color, making it a good choice for residential landscapes.
In an HOA neighborhood
Pear Hawthorn is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.
Works well in: front yard, mid zone, street edge.
- Has thorns that may require careful placement
Wildlife value
Host plant for spring azure, hairstreak butterflies.
The spring flowers attract bees, beetles, and flies for pollination. Birds enjoy the small red fruits in fall, and the tree provides nesting sites and shelter.
Common questions
- How much sun does Pear Hawthorn need?
- Pear Hawthorn grows best in part sun conditions.
- When does Pear Hawthorn bloom?
- Pear Hawthorn blooms in May and June.
- Where is Pear Hawthorn native?
- Pear Hawthorn (Crataegus calpodendron) is native to AL, AR, GA, IA and 17 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Pear Hawthorn toxic to dogs?
- Pear Hawthorn is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Pear Hawthorn toxic to cats?
- Pear Hawthorn is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- What butterflies or moths does Pear Hawthorn host?
- Pear Hawthorn is a larval host plant for spring azure and hairstreak butterflies.
- Is Pear Hawthorn HOA-friendly?
- Pear 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 Pear 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