Fertilize roses, raspberries, and woody plants.
Gardening Tasks by Month for Spanish Lake, MO
Gardening Tips
Spanish Lake, MO
Begin setting out transplants of tomatoes, peppers, and eggplants.
Thin out crowded seedlings of cool-season vegetables, such as beets, carrots, and lettuce.
Divide perennials that are overcrowded.
Prune spring-blooming shrubs, such as forsythia, after they have finished flowering.
Apply horticultural oil to trees and shrubs that had insect issues last year.
Plant new trees for Earth Day.
Start looking for tent caterpillar nests in fruit trees and remove.
Finish pruning fruit trees, roses, raspberries, grapevines.
Cut back flower stalks on your spring-flowering bulbs as the flowers begin to fade.
Mow your ground covers to remove any winter damage. Fertilize and water the ground covers to encourage growth.
Plant potatoes.
Apply organic matter, compost, and manure to soil.
Fertilize the lawn.
Clean up your garden. Rake up any leaves, remove winter mulch, remove any dead plants, and mix in compost in your garden soil.
Begin fertilizing houseplants again.
Plant pansies.
Sow seeds of hardy annual flowers (larkspur, California poppy, sweet pea).
Plants started indoors should be hardened off outdoors in cold frames.
Sow your cool-season vegetables in succession so you can have a steady harvest throughout the growing season.
Plant broccoli plants and early cabbage outdoors.
Start tomato seeds indoors.
Cover tender plants if late frost is in the forecast.
Seed cool-season vegetables outside, such as beets, peas, lettuce, collards, turnips, carrots, broccoli, Brussels sprout, Swiss chard, kale, kohlrabi, onions, parsley, parsnips, radishes, and spinach. (See our Best Dates to Plant chart on Almanac.com/Gardening.)
