Cool Rosa Canina Garden Roses References. The foliage is mid green borne on arching stems and has small, sharply hooked prickles which help it. Web rosa canina is a strong, vigorous and perennial rose bush.

It is a deciduous shrub.plant leaves are divided into two or three pairs of smaller toothed leaflets. See above for usda hardiness. The beach rose (rosa rugosa) is a shrub native to asia but is widely naturalised.