Rose thickets are also very important for shelter and nesting sites for birds. Wide range with Swamp Rose preferring wet soils and Carolina and Prairie Roses preferring dry soils. Wide variation of adaptability with Prairie Rose preferring more neutral soils and the other roses preferring acid to neutral soils. Leaves preferred by Japanese beetle. Fungus diseases of powdery mildew and black spot can kill leaves.
Most roses spread quite readily by root suckers.
Renewal pruning to remove old stems and promote new growth is necessary after a few years.