There are thousands of different varieties of apples grown in North America, with a few choice cultivars that are hardy in zone 4. While grafting.
Sweet Sixteen is a reliable cropper in zone 4 and even zone 3. Haralson Apple: Haralson is very winter hardy variety with a tart flavor, crisp and.
The Arbor Day Foundation's most popular trees and shrubs. Tour Of Bay Area Fruit Trees - Walnut Creek, CA