Answer: Blueberries and blackberries, like most fruits, need full sun. They also will want well drained soil but need to be well watered. They have slightly different soil requirements. Blueberries requires acidic soil (4-5pH). Because they are shallow rooted acidic mulches of peat moss, rotted oak leaves,or pine needles will help maintain the acidity. You can use elementary sulphur to artificial acidify the soil. Fertilize with acidic fertilizers as for azealas. Blackberries are not as demanding: Any average soil and average fertilizing will do. They do like manures and mulch, so add plenty of those ingredients. Don't plant them where wild blackberries or raspberries grew, they are suceptable to virus that can be in the ground. Be prepared to prune them annually.
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