Zone by zone to-do list for gardeners in April: Organic Gardening.

April To-Do List for Zone 6

• Clean up the garden in preparation for the season ahead:   Remove last year’s dead plants, rake back winter
• mulches, and top-dress beds with compost.
• After you’ve finished preparing your beds, plant potatoes, peas, spinach, and other leafy greens as well as beets, turnips, and carrots.
• Put up a trellis for tall varieties of peas as soon as they sprout.
• Dig, divide, and replant perennials, such as helenium, fall asters, Shasta daisies, chrysanthemums, and phlox.
• As soon as the weather settles, plant transplants of pansies, forget-me-nots (Myosotis spp.), foxglove (Digitalis spp.), and other cool-weather flowers.
• Sow seeds of sweet peas, bachelor’s buttons (Centaurea cyanus), and larkspur (Consolida ajacis) in flowerbeds.