- Written by Robbi Hoy
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Helpful Tip from the Garden Geeks: Clip Clematis for 3 seasons of blooms. Some Clematis bloom twice, once in early summer on old growth and again later in the summer or early fall on new growth. With careful cutting, you can turn these two sessions into one long-lasting bloom. pruned lightly in late winter or early spring, thinning out stems. This leaves a healthy framework of old wood for the spring blooms and encourages the plant to grow new shoots for later blooms. You can pruned again after the first flower to spur on more new growth. Deadheaded flowers after the second Bloom.