Do not prune during shooting season, No pruning needed in the early stages, Prune to stimulate growth, Remove dead or diseased plant parts, Remove deadheads, Shape and thin as needed
A hard prune may be necessary if the plant becomes woody, Cut leaves after fall, Cut or pinch the stems, Pinch or prune as they grow to promote branching and bushiness, Prune for shortening long shoots, Prune in early summer, Remove deadheads