Prune back herbaceous perennials (example: salvia), to promote plant bushiness.
Grow your own food this summer! Now is the time to plant edibles like tomatoes, herbs, zucchini and berries. Consider a soaker hose to conserve water in your vegetable garden.
Prevent powdery mildew and rust on roses and other plants with Bonide Neem Oil. Already have a powdery mildew problem? Treat with Monterey Complete Disease Control.
Aphids are beginning to appear. Stop them early with Bonide Neem Oil.
Tomatoes: choose a large cage — your plants will surely grow larger!
Plant a tree, shrub, flower or edible for Earth Day or National Arbor Day.
Stake perennials like Delphinium, Foxglove, Peony, Coreopsis, garden Phlox, Hollyhock, Centranthus, and Shasta daisy.
Start planting summer annuals like lobelia, begonia, impatiens, marigolds, cosmos, petunias, snapdragon and alyssum. Use E. B. Stone Sure Start fertilizer for new plantings to establish them quickly.
Apply a lawn fertilizer such as E.B. Stone Nature’s Green to green up your grass and groundcovers gently.
Stock up on a season’s-worth of top quality, plant-specific fertilizers from E.B. Stone. The “Naturals” and “Organics” lines are environmentally friendly.
Snails and slugs are hatching in your garden right now. Non-toxic Sluggo can control them.
Mulch vegetable and flower beds with Sloat Forest Mulch Plus.
Release ladybugs, praying mantis, and other beneficial insects to help control aphids, mites, whiteflies, and other garden pests. If you release beneficial insects, please don’t spray for garden pests.
Work cover crops into the soil before they seed.
Shop for clematis and other spring bloomers.
It’s also time to start choosing and planting summer perennials: Penstemon, Salvia, Dahlia, Argyranthemum.
This month in the Bay Area Garden – Monthly Calendar