Prune immediately after flowering
Remove dead, damaged, or diseased branches first
Cut out one-third of the oldest stems at ground level
Thin crowded stems to improve air circulation
Shorten long, overgrown shoots to a side branch or bud
Shape lightly to maintain a natural form
Avoid heavy pruning in late summer, fall, or winter
Use clean, sharp pruning tools
Remove suckers and weak growth at the base
Repeat renewal pruning every few years if needed