Round Rock Monthly Gardening Checklist


 Monthly Garden To Do List

Things To Plant in April!

Flower Plants:

Achillea (Yarrow), Ageratum, Alyssum, Joseph’s Coat, Summer Forget-Me-Not, African Daisy, Alpine Aster, Butterfly Weed, Balloon Flower, Balsam, Blue Daze, Blue Cardinal Flower, Boltonia, Scarlet Bouvardia, Browallia, Calliopsis, Candytuft, Chocolate Plant, Chrysanthemum, Cigar Plant, Cleome Cockscomb, Coleus, Columbine, Copper Plant, Coreopsis, Dahlia, Dianthus, Daisy, Feverfew, Gaillardia, Geranium, Gomphrena, Hibiscus, Hollyhock, Indian Blanket, Jacobinia, Lamb’s Ear, Lantana, Liatris, Edging Lobelia, Mexican Heather, Nasturtium, Nierembergia, Penstemon, Penta, Petunia, Phlox Drummondii, Plumbago, Oriental Poppy, Salvia, Sedum, Spiderwort, Stokes’ Aster, Sunflower, Torenia, Veronica.


Early-Mid Month: Beets, Collards, Turnip

Mid-Late Month: Beans, Corn, Cucumber, Eggplant, Peppers, Pumpkin, Squash, Tomatoes.

All Month: Lettuce, Mustard, Radish

****Be prepared to protect plants from frosts and freezes.****


Anise, Star Anise, Basil, Bay, Borage, Bouncing Bet, Caraway, Catnip, Chives, Comfrey, Costmary, Cumin, Fennel, Fenugreek, Scented Geranium, Germander, Horehound, Horseradish, Lamb’s Ear, Lavender, Lemon Grass, Lemon Verbena, Mexican Mint Marigold, Monarda, Oregano, Parsley, Perilla, Rosemary, Sage, Santolina, Summer Savory, Winter Savory, Sesame, Sorrel, Southernwood, Tansy, Tarragon, Thyme, Common Wormwood, Roman Wormwood, Yarrow.


Container grown fruit and nut trees, vines, and bushes.


  • Protect your plants from the freeze!
  • Feed your transplant a liquid plant food weekly for the first month.

Things To Do in April!


  • Feed winter bloomers such as Alyssum, Dianthus, and especially Pansies
  • Start a rose feeding schedule.
  • Feed and Spray Camelias.
  • Begin to feed azaleas after they bloom.
  • Start to fertilize established fruit and nut trees.


  • Water everything well before a freeze, but avoid overwatering.

Diseases/Pests To Look For:

  • Keep an eye for aphids on new growth.
  • Check for spider mites on older leaves.
  • Watch out for cutworms for young plants.


  • Hibiscus
  • Begin to prune spring-flowering shrubs and trees after they bloom.
  • Prune and train vines.
  • Go ahead and shape spring-blooming shrubs with a light pruning after they bloom.