Answer: Just pile some leaves or pine boughs over the lavender for now and do your pruning in the spring. When pruning in the spring, trim out any winter damage and then give it a neat shearing to tidy the overall outline to a softer billowing effect, roughly following the natural shape of the plant. Usually you would not remove more than at most a quarter of the plant when doing this. The trimming will encourage the new growth to be dense and well branched with many flower stems. After blooming, trim off the spent flowers and an inch or two of the new growth to stimulate rebloom. The repeated shearing should keep the plants in nice shape.
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