Winterizing Perennial Flower Garden - Knowledgebase Question

Cliffwood Beach, NJ
Avatar for chriscakes99
Question by chriscakes99
November 3, 2000
We planted a Burpee "sunny corner garden" made up of coneflower, coreopsis, carnation, magnus and some other perennials. It's fall now and we want to winterize the garden. What should we do, now and in the spring?

Answer from NGA
November 3, 2000
In general, wait until the cold weather has browned the tops, then trim them off short. Some, such as dianthus, will have some evergreen foliage. Do not disturb it. Apply several inches of organic mulch around but not over top of the crowns of the plants. In spring, apply a complete fertilizer such as 10-10-10 according to the label instructions. You might also apply compost then if you have some available. Maintain a layer of just a few inches of mulch aroudn the plants to help conserve moisture and keep down weeds.

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