But what about when it’s been too long between prunings, the foliage is suffering, or the shrub needs some serious reshaping? How do you prune an overgrown boxwood, and when is the best time?

You'll probably be able to renovate a big old shrub instead of removing it and replacing it. Two techniques will get the job done.

Both the insect and disease problems are causing concern about using boxwoods in our landscapes. Over the last few decades, ...