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Can you give Phlox the Chelsea chop?

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+1 vote
During late spring, you can experiment with the ' Chelsea chop ', cutting back your perennials to improve their flowering performance. This pruning method is carried out in late May, around the time of the RHS Chelsea Flower Show, and can be done on a wide range of perennials, including phlox, penstemons and sedums.
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The Chelsea Chop



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