Physical description. Closely related to raspberries (also in the genus rubus), blackberry plants have biennial canes (stems) that are characteristically covered with prickles and are erect, semi-erect, or trailing; the thornless blackberry is a modern development.there are many ways to enjoy blackberries. Along with eating them alone, they can be used in jams, jellies, and mixed with other fruits. You can combine other ingredients like yoghurt and seeds to create a delicious and healthy summer dish. The plant comes in a healthy, well-rooted condition, ready for transplanting into your favorite garden bed, planter, or decorative pot. Its vibrant leaves and sturdy stem ensure long-term growth and easy maintenance, requiring only basic care such as regular watering, occasional pruning, and periodic feeding with organic fertilizer.