Wood Avens Seeds geum urbanum – grows best in the shade of woodlands and hedgerows but can also be grown in dappled shade where plants will attract bees. Wood Avens is a low growing species with yellow flowers that appear from June to September. The foliage provides ground cover for woodlands. Wood Avens looks best growing with woodland wild flowers such as Nettle-leaved bellflower, Herb Robert, and Red campion.