How to Prune autumn sun?
Spent flowering stems may be cut back, or left to provide winter interest

autumn sun · Rudbeckia nitida
Also known as: shining coneflower
Grow in moderately fertile soil that does not dry out. Divide every 3-5 years to maintain vigour. See rudbeckia cultivation for more detailed advice
Spent flowering stems may be cut back, or left to provide winter interest