Thornless blackberries are popular in the Washington state area--and known for their large, sweet, abundant berries. You need to regularly prune. When the new canes reach 4 feet tall in summer, tie them back. They'll form some (side) branches which will stick out. In the spring, cut those lateral branches back to 2 feet long. In fall, cut all the canes that produced fruit to the ground. Every year the new canes will produce more fruit in the summer. For the birds, try bird netting a few weeks before the berries ripen. Yes, there are Mulberry Trees suitable to where you live.
Thornless blackberries are popular in the Washington state area--and known for their large, sweet, abundant berries. You need to regularly prune. When the new canes reach 4 feet tall in summer, tie them back. They'll form some (side) branches which will stick out. In the spring, cut those lateral branches back to 2 feet long. In fall, cut all the canes that produced fruit to the ground. Every year the new canes will produce more fruit in the summer. For the birds, try bird netting a few weeks before the berries ripen. Yes, there are Mulberry Trees suitable to where you live.