SelecTree: Tree Detail

FLOWERING ORNAMENTAL PEAR
Pyrus calleryana

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Photo Locations: Cal Poly Campus - San Luis Obispo, CA, Petaluma, CA, Bakersfield, CA, San Jose, CA, Hoyt Arboretum - Portland, OR and Arnold Arboretum - Boston, MA.

General Notes

Fairly resistant to fireblight.

Cal-IPC (California Invasive Plant Council) classifies the invasiveness of this plant as watch.

Has fragrant Flower.

Native to China.

Family: Rosaceae

Additional Common Names

FLOWERING ORNAMENTAL PEAR, CALLERY PEAR

Tree Characteristics

Erect or Spreading Low or High Canopy.

Oval or Rounded Shape.

Has Deciduous foliage.

Height: 50 feet.

Width: 50 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

Leaves Ovate, Glossy Dark Green, Red, Gold, Purple or Multicolored, Deciduous.

Flowers Showy. Fragrant White. Flowers in Spring or Winter. Has perfect flowers (male and female parts in each flower).

Brown or Mostly Green Pome, Small (0.25 - 0.50 inches), fruiting in Summer.

Bark Dark Brown or Light Green, Blocky or Furrowed.

Shading Capacity Rated as Moderately Dense in Leaf.

Shading Capacity Rated as Moderately Dense out of Leaf.

Litter Issue is Wet Fruit.

Tree Site Conditions & Constraints

Sunset Zones 2 - 9 and 14 - 21.

USDA Hardiness Zones 5 - 8.

Exposure Full Sun.

Moist to Dry Soil.

Clay, Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Resistant to Fair Resistance to Fire Blight, Armillaria and Verticillium. Susceptible to White Fly, Sooty Mold.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium.

Root Damage Potential Rated as Moderate.

Allergy Health Hazard.

Attracts Birds.

Cite this tree:
SelecTree. "Pyrus calleryana Tree Record." 1995-2019. Oct 17, 2019.
< https://selectree.calpoly.edu/tree-detail/pyrus-calleryana >

SelecTree Nursery Connection Map
Cal Poly / ESRI