Root rot may be a problem causing dieback. May be cold damaged in severe winters, mid to low 20's. Thorny-may be a hazard to children. Must have full sun. Trailing plant, leaves up to 2 inches long, toothed, leaves turn deep purple in winter.
Good drainage is essential.
Good drainage is essential. Some cultivars may be more cold hardy than others. Cold hardy - may have slight leaf and bud scorch in severely cold winters.