Rubus caesius or European Dewberry is from the Rosaceae family of plants. It is native to Europe or Asia. Rubus caesius is a shrub that grows up to 2m or 7ft tall. It has biennial stems. They die after fruits are produced in the second year. Rubus in Latin means blackberry or raspberry.
Rubus caesius stems are prickly. They are bluish-green. The trifoliolate leaves are hairy and opposite. They are also sometimes prickly. The leaves are palmate with three oval leaves. Rubus caesius flowers from late spring through all of the summer. The flowers grow in clusters. They are white and about 1in or 2.5cm wide. The flowers have 5 sepals and 5 petals. Numerous stamens and several pistils. The fruit is fleshy drupes. Bees, butterflies, and other insects pollinate Rubus caesius.
How to grow Rubus caesius:
Grow Rubus caesius in partial shade. Plant it in moist but well-drained soil. Use sandy, loamy or clay soil. The fruits are edible and can be made into jams. It is deer-tolerant. It attracts butterflies and bees. Birds and other small animals eat the fruits. Watch out for honey fungus, otherwise, it is trouble-free.