Annuals (both flowers and vegetables): Mulch with finer materials that break down quickly, such as pesticide-free grass clippings or leaves. On annual beds, till the mulch into the soil at the end of the growing season.
Perennials & woody plants (shrubs, trees, etc.): Mulch with a thick layer (2-3 inches) of compost or chipped wood.
Paths: Mulch with a thick layer of shredded or chipped wood. To keep paths weed-free even longer, put down cardboard or several layers of newspaper before spreading the mulch.
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using compost to grow plants