Q.The Best Time To Trim, Prune The Garden With Professional Service.
I have 11 rhododendrons and the rest of them hedges. What’s the best time to ask for pruning service? Thanks for the advice!

Certified GKH Gardening Expert
Spring flowering shrubs such as rhododendrons are best pruned after flowering to maintain shape. Remove dead wood at any time. Rhododendrons need little pruning unless the shrubs are overgrown.
Here is help for pruning rhododendrons and other evergreens.
https://www.extension.iastate.edu/news/yard-and-garden-prune-shrubs-ease
https://s3.wp.wsu.edu/uploads/sites/2076/2017/06/C117-Rhododendrons-16.pdf
https://www.gardeningknowhow.com/garden-how-to/pruning-evergreens.htm