Can I rejuvenate prune a Barberry? What time of year would be best? I have come across some barberries that have been neglected for about 10 years, minimal foliage and a lot of dead. Any advice would be appreciated.
Certified GKH Gardening Expert
Yes, you can rejuvenation prune barberries, or better renewal prune them, which is the gentler version where you remove 1/3 of the branches each year for three years. Spring is the best time so the cut branches won't be stressed during the winter. Here is the answer a university extension agent gave to someone with a similar question: