Pyrus calleryana

Pyrus calleryana_Gary A. Monroe
Photo: Gary A. Monroe

Common names: Callery pear

Pyrus calleryana (Callery pear) is a tree (family Rosaceae) with white flowers and oval-shaped leaves found in the Central Valley of California. It is native to China and Vietnam. It favors grasslands and woodlands. It spreads via seeds and root suckers. Seeds are dispersed from ornamental trees via birds.

Cal-IPC Rating: Watch

CDFA Rating: None?


Plant Risk Assessment - An evaluation of the potential for a plant to be invasive in California.

Weed Management Notes

No Weed RIC Management Notes are available for this species. Check for information on other species in the genus on the Weed RIC site.

Cal-IPC Newsletter Articles

There are no newsletter articles associated with this species yet.

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

Other Pyrus calleryana Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - Distribution map and records of this species in California.
  • CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
  • EDDMapS - Distribution of this species in North America.
  • Jepson Interchange - Information on this plant's taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.
  • Additional photos

    Pyrus calleryana_bud_ZoyaAkulova
    Pyrus calleryana (Callery pear) bud. Photo: Zoya Akulova
    Pyrus calleryana_flowers_ZoyaAkulova
    Pyrus calleryana (Callery pear) flowers. Photo: Zoya Akulova
    Pyrus calleryana_fruits_ZoyaAkulova
    Pyrus calleryana (Callery pear) fruits. Photo: Zoya Akulova
    Pyrus calleryana_leaf_ZoyaAkulova
    Pyrus calleryana (Callery pear) leaf. Photo: Zoya Akulova
    Pyrus calleryana_growth habit (cultivated)_ZoyaAkulova
    Pyrus calleryana (Callery pear) growth habit (cultivated). Photo: Zoya Akulova