Kerr Crabapple Tree
The Kerr Crabapple Tree is a unique cross of Dolgo crabapple and Haralson apple which bears large, flavorful, crisp and juicy, dark red fruit. Kerr is very hardy (to minus 50ºF!!!), productive and disease resistant. A favorite with kids, attractive Kerr fruit is great for fresh eating and makes tasty jelly.
Latin Name: Malus domestica
Site and Soil: All apples like 1/2 day to full sun and well-drained soil.
Rootstock Description: Considered a semi dwarf rootstock, trees on M-7 typically grow 12-16 ft. in height, and are spaced 12-16 ft. apart. Crabapples, Columnars, Espaliers, and Combination Apples will be smaller. A particularly good apple rootstock for heavy soils, M-7 is hardy to minus 35° F. Vigorous and well anchored, trees on M-7 should not require staking.
Pollination Requirements: All apples need another variety nearby for pollination. Neighboring trees often offer sufficient pollen for good fruit set.
Hardiness: Kerr should be hardy to minus 50° F.
Bearing Age: 2-3 years after planting.
Size at Maturity: 10-12 ft. in height
Bloom Time: April
Ripening Time: September
Yield: 30+ lbs.
Pests & Diseases: Kerr is moderately resistant to Apple Scab. Codling Moth can create wormy apples and aphids can damage the foliage of apple trees.
USDA Zone: 2
Sunset Western Zone: 1-9, 14-16
Sunset Northeast Zone: All zones