A garden I have started to tend has a row if tightly spaced evergreen holly trees growing along the perimeter. The owner has asked me to prune them back to form a tidy hedge. What is the best time of year to carry out the pruning/clipping
islayhawk
Holly trees/hedge
Aug 17, 2013
2 Replies
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I would wait until about 2-3 weeks before the last frost might be expected. Pruning promotes new growth, which is quite tender to frost.
Obviously, you don't really know when the last frost will occur. However, you can get a good estimate of the average date of the last frost and prune 2-3 weeks before then. New growth will start in about
3-4 weeks.If you do not get frost in the winter, prune holly at any time.
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