How to Prune Perennials
Pruning perennials encourages the plants to put out more leaves and, often, more flowers - especially for spring-blooming plants. Pruning also keeps the plant compact and bushy, giving the garden a neater look. Prune in early spring and late fall. Does this Spark an idea?
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Instructions
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Remove old mulch and fallen leaves from beneath the plant. Look for any signs of mold or damage and clear away anything where insects could hide through the winter.
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Cut off faded flower stems to just above a place on the stem where you see new leaves growing.
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Cut back all dead stems and flowers in late fall if you live in a mild climate, or early spring in colder climates.
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Add a slow-release fertilizer to the soil after pruning to encourage new growth.
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Add a layer of fresh mulch to conserve moisture and prevent weeds from growing.
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Later in the spring or in early summer, after flowering, shear with bypass pruners or scissors to cut off 1 inch evenly all over the plant, making the plant look healthier and tidier for the rest of the season and encouraging another bloom.
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Tips & Warnings
Stems and flowers should be left on the plant during cold winters if you live in a cold winter climate to help protect the crown - the part of the plant right at ground level - and the roots.
Cut perennials when they are in flower for use in indoor arrangements.
