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Hardiness: USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) 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) USDA Zone 9b: to -3.8 °C (25 °F) USDA Zone 10a: to -1.1 °C (30 °F)
Sun Exposure: Full Sun
Danger: N/A
Bloom Color: White/Near White
Bloom Time: Late Winter/Early Spring
Foliage: Deciduous Shiny/Glossy-Textured
Other details: May be a noxious weed or invasive Average Water Needs; Water regularly; do not overwater Self-sows freely; deadhead if you do not want volunteer seedlings next season
This is a horribly invasive weedy species. In my opinion, it should never be planted. See my article on the subject:
Vincent, M.A. 2005. On the spread and current distribution of Pyrus calleryana in the United States. Castanea 70: 20-31.
On Jan 7, 2005, smiln32 from Oklahoma City, OK (Zone 7a) wrote:
This cultivar grows to 35-45' high and 30-35' wide. It is a fast grower with widely-spaced, upright branches. It is not as susceptible to wind and ice damage as other known cultivars. The leaves emerge as red/purple, then become glossy green with a slightly reddish hue. Fall color again becomes red. Fine in urban settings.
I have this flowering pear and it does the weirdest thing , it flowers in the spring AND the fall. In the fall we have no leaves at all but the flowers are there. It is still a small tree but I love it. Vikki
On May 18, 2004, sweezel from McKinney, TX (Zone 8a) wrote:
This cultivar is now recommended instead of the over used 'Bradford'. It has a much wider branching habit and so is much more resistant to storm damage. The tree has a more Pyramidal shape. Also, the leaves are not as flat and round as 'Bradford', and instead are more oblong with wavy-er margins.
There are many Callory pears in my community. About a fourth of them are 'Aristocrat' and the rest are 'Bradford'. The Aristocrat seem to have a more natural look and bloom a whole lot better than the Bradford.
Regional...
This plant has been said to grow in the following regions:
Dewey, Arizona Clovis, California Los Angeles, California Mountain View, California Ventura, California Denver, Colorado Keystone Heights, Florida Lake Bluff, Illinois Henderson, Nevada Selden, New York Langhorne, Pennsylvania Lake Dallas, Texas
One vendor has this plant for sale.
