Pruning mums helps them grow fuller with longer-lasting blooms. Pinch tips at 4–6 inches tall, again at 12 inches tall, and stop about 100 days before bloom. Deadhead spent flowers once blooming ...
You might have heard that little gardening trick about “pinching back the mums” — the pruning technique that keeps our favorite fall-blooming flower from flopping apart. But what few realize is that ...