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I saw your report on trimming and shaping shrubs and wondered when was the best time. No, it is not too late to trim your boxwoods. I prune my boxwood hedge twice a year, once in the very early spring and again in late summer. Believe it or not, the hedge thrives from this kind of treatment. Boxwoods are a broad-leafed evergreen â just like hollies, azaleas and rhododendrons.
What you're going to see, is more of what you see right here. Let me prune this branch to show you. This is what you want, you want the light to get to the center of the boxwood, so all these new shoots grow. So, you just reach in and you thin out boxwood. You're going to see some empty spaces like this, but that's normal.