Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Pyrus (PY-russ) (Info)
Species: calleryana (kal-lee-ree-AH-nuh) (Info)

Category:

Trees

Height:

20-30 ft. (6-9 m)

30-40 ft. (9-12 m)

Spacing:

Unknown - Tell us

Hardiness:

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

White/Near White

Bloom Time:

Mid Spring

Foliage:

Deciduous

Good Fall Color

Other details:

May be a noxious weed or invasive

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

Unknown - Tell us

Patent Information:

Non-patented

Propagation Methods:

From seed; direct sow outdoors in fall

Seed Collecting:

Remove fleshy coating on seeds before storing

Allow unblemished fruit to ripen; clean and dry seeds

Regional

This plant has been said to grow in the following regions:

New Market, Alabama

Daytona Beach, Florida

Troup, Texas

Gardeners' Notes:

0
positives
1
neutral
1
negative
RatingContent
Negative

On Apr 4, 2014, coriaceous from ROSLINDALE, MA wrote:

I concluded that this tree is an inferior ornamental long before I found out that it's also commonly invasive.

The lifespan of a callery pear is typically 10-15 years, with luck perhaps 20. (Dirr) I can't count the number of callery pears I've seen split and disintegrate before reaching maturity, because the tree's architecture can't support its own weight, especially in windy, snowy, or icy weather. Since 'Bradford', many cultivars have been released which are claimed to have stronger architecture, but they all have this propensity to splitting, and in the landscape I still see few surviving into maturity.

The flowers are pretty and very early, but they have a powerful pervasive stink.

The foliage is attractive and rarely troubled by disease. F... read more

Neutral

On Mar 13, 2005, nick89 from Tallahassee, FL (Zone 8b) wrote:

The wild form of the familiar Bradford pear. Birds relish the tiny pears and spread it far and wide. Bradford stock eventually reverts back to this type. This species is naturalized and abundant in north Alabama. Since it lacks the narrow branch crotch angles of the Bradford, it makes a better shade tree. The crown is rounded to spreading in older specimens.