The Purple Flowering Raspberry makes a very desirable shrub. The rose purple flowers appear in the late spring on the upper portion of the branches. Flowers are fairly large, 1 to 2 inches across. The large 3 to 5 lobed leaves are attractive lime green during the growing season and by autumn are a deep yellow. Red fruits appear in the summer, which are dry and not palatable. The stems are smooth stemmed and brownish gray when they leaves fall. The plants grow from underground stems and will spread outward moderately. The plants prefer shade to partial shade. Hardiness Zones 4-7.