When Do You Prune Red Tips
When do you prune red tips without killing them and how can you start new cuttings?
Certified GKH Gardening Expert
Prune your Red Tip Photinia anytime between spring and early fall, with late spring/early summer more acceptable. Red Tips are excellent candidates for rejuvenation pruning. To rejuvenate the plant, cut it all the way back to the ground...to about 6 inches from the ground.
As for starting new ones, this article will help: https://www.gardeningknowhow.com/ornamental/trees/tgen/how-to-root-cuttings-from-various-shrubs-bushes-and-trees.htm