I have Red Tips that are 12 to 15 feet tall. I would like to trim them down to 6 feet without causing any harm to the shrub. My thought would be to trim down one third of the growth over a two-month time frame to the desired height (which is 6 feet tall). Also, what other type of plants grow well with red tips?
Overgrowth of Red Tips
Certified GKH Gardening Expert
Sounds like you have the pruning part down--this would be an acceptable method for cutting the plant down without harming it. As for companions, nearly anything sharing the same or similar growing requirements, as well as those complementing the shrub's red-colored growth, would be suitable. This is more a personal preference.