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April Gardening To Do List

April To-Do List

Plant: ornamental & wildlife

  • Annuals: seed or transplant zinnias, cosmos, sunflowers, Mexican sunflower—all good wildlife annuals. Transplant: Salvia coccineas, a native that butterflies and bees just love. Avoid planting caladiums.

  • Succulents (agave, yucca, other succulents)

  • Perennials & vines

  • Esperanza (Tecoma stans)

  • Ornamental (clumping) grasses like muhly and Mexican feather grass

  • Shrubs

  • Clean up and replant containers—annuals, perennials, herbs, hibiscus, vegetables in larger containers

  • Top new containers with light layer of mulch to conserve water; use decomposed granite, pea gravel or other grit for potted succulents

  • Trees if you keep them watered! Deeply to at least 3”. Don’t water if soil is moist to 3”.

Plant: herbs

  • Basil, catnip/catmint, comfrey, fennel, horseradish, feverfew, oregano, thyme, rosemary, Mexican mint marigold, peppermint, lemongrass, lemon balm, lemon verbena, bay laurel

Plant: food crops

  • Chard, corn, cucumber, eggplant, endive, Malabar spinach, mustard, peppers, pumpkin, summer & winter squash, tomatillos (you need at least two!), tomatoes, beans, cantaloupe

  • Texas A&M AgriLife Extension Vegetable Planting Guides (Central Texas)


  • Trees: DO NOT prune red oaks and live oaks unless damaged. Spray immediately with clear varnish.

  • No need to apply pruning paint to other trees

  • Dead head flowering plants

  • Prune spring bulbs only when foliage is brown

  • Bougainvilleas if not already pruned for overwintering


  • Succulents


  • Lawns. Use an 8-2-4 or other similar ratio. Do not use Weed and Feed products!

  • Add compost to beds if not already. Mulch as you cut back dormant perennials. Fertilize with slow-release granular late in the month or as dormant perennials leaf out

  • Add compost around trees and fertilize. Be sure to dig out grass several feet from the trunk, ideally to the drip line of the tree canopy.

  • Citrus with high nitrogen fertilizer like Citrus-tone. Fertilize every few weeks through growing season.


  • Watch for aphids and spider mites. It’s easy to spray them off with a hard blast of water. Be sure to get the undersides of the leaves.

  • Ladybugs and green lacewings will be chomping down those aphids, so watch for them and their larvae.

  • Aphids and other insects can create sooty mold on plants, a fungus that develops from their secretions (honeydew). Wash off the culprits and the leaves. Remove damaged leaves to the trash (not the compost pile).

  • Watch for tomato hornworms on tomatoes: squish or spray the plants with Bt (Bacillus thuringiensis), a natural caterpillar control that won’t harm you or pets–only caterpillars!

  • To fend off squash vine borers, keep row cover on and hand pollinate. Or take your chances with natural bee pollinators!

  • Walk the garden in early morning to pick off stink bugs and largus bugs from tomatoes. Check under the leaves for eggs.

  • Deploy grasshoppers while young. If you wait, you won’t be able to deal with them. Effective baits include Nolo Bait or Semaspore. Both contain a protozoa called Nosema locustae which is impregnated in bran flakes sweetened with sugar. Apply by hand or with a rotary spreader, early in the morning, when grasshoppers are feeding.


  • Plant new lawn. Keep watered until established

  • Mow weeds before they set seed

  • Fertilize with an 8-2-4 or other similar ratio. Do not use Weed and Feed products!

  • Mow to keep weeds from going to seed. Leave clippings on the lawn unless you have weed seeds.


  • Add compost to vegetable gardens along with organic fertilizer in prep for more summer crops

  • Soil test

Other tasks

  • Watch for powdery mildew. Apply a natural fungicide like Serenade if necessary. Generally, it goes away naturally. Avoid watering leaves at night.

  • Mulch, but avoid touching the base of trees and roses

  • WEED! Do not let weeds go to seed. Do not apply chemicals: pull them up or mow down before they set seed.

  • When moving plants back outside, do it gradually. Prune and lightly fertilize. Lightly mulch.


  • When planting, dig hole twice as wide as root ball but no deeper than where it sits in the pot.

  • Backfill and water until it sinks in.

  • Continue filling in.

  • Water again until it sinks in and pack the soil down.

  • Mulch.

  • Plant flowers in your vegetable garden to encourage bee pollinators.

(The above information was provided by Central Texas Gardener )

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