From mid May to end October    · each month
  • Prune to shape the bush and to thin out the middle to improve air flow.
  • Prune broken, dead or weak branches and straggling shoots that detract from the shrub's natural compact form. You can also prune off the tips about 6 to 12 inches to help encourage branching and fuller growth.
  • Cut unwanted individual branches down to the center of the plant.