SelecTree: Tree Detail
ARISTOCRAT CALLERY PEAR
Pyrus calleryana 'Aristocrat'
Photo Locations: Arnold Arboretum - Boston, MA and Red Butte Garden - Salt Lake City, UT
Fairly resistant to fireblight. Open, wide branching. Brilliant fall colors of red and yellow.
Additional Common Names
ARISTOCRAT FLOWERING PEAR, ARISTOCRAT CALLERY PEAR
Erect or Spreading with a High Canopy.
Conical or Rounded Shape.
Has Deciduous foliage.
Height: 30 - 40 feet.
Width: 20 feet.
Growth Rate: 24 to 36 Inches per Year.
Longevity 50 to 150 years.
Leaves Oblong to Ovate, Dark Green, Red or Orange, Deciduous.
Flowers Showy. White. Flowers in Spring or Winter. Has perfect flowers (male and female parts in each flower).
Prolific, 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 Moderate out of Leaf.
Litter Issue is Dry 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 Thrip and White Flyr, Phytophthora, Root Rot and Sooty Mold.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Moderate.
Allergy Health Hazard.
Biogenic Emissions considered Low.
Special Uses & Values
Cite this tree:
SelecTree. "Pyrus calleryana 'Aristocrat' Tree Record." 1995-2021. Apr 17, 2021.
< https://selectree.calpoly.edu/tree-detail/pyrus-calleryana-aristocrat >
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