Blackberry 'Chester' (Thornless) 'Chester' is the most winter hardy of the thornless varieties. It has large, sweet, high-quality berries with good flavor. ... 'Chester' is largest fruiting thornless blackberry grown, individual fruits measure up to 1 inch long, as big as small plums.

Great all-around blackberry — firm but not tart. It is the most productive plant of its kind that you can grow in the upper Midwest. Fruit won’t soften, leak, or lose color in the South either. Tolerates hot, dry weather. Productive canes yield berries perfect for fresh-eating, preserves, and baking. Summer-bearing floricane. Late season. Ripens in July. Self-pollinating.

When your plant matures, it will be approximately 4 - 5' tall x 3 - 4' wide.