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 ...
Two people deadheading various flowers in a garden - Annie Otzen/Getty Images You've probably heard that you should think twice before pruning your garden in the summer heat. This is good advice, as ...