Thornless Blackberry ‘Black Satin’ has large, juicy, and sweet berries that are excellent for eating fresh, canning, and baking. Generally speaking, harvest ripe fruit in late July through September, depending on location. Flowers are a soft pink when they first open, then fade to white in a few days. Rubus ‘Black Satin’ is a disease resistant, thornless variety that makes harvest and maintenance a painless experience. Thrives in well-drained soil and full sun. Can grow 4 to 8 feet depending on how it is trained and shaped. Winter deciduous, the vines will drop their leaves in winter.