Zone 12 Garden Checklist — March
Mild to frost-free — grow year-round with cool-season winter crops.
Your zone 12 · March to-do list: Transplant warm-season crops; Direct-sow beans & corn; Mulch & stake.
This month in zone 12
1. Transplant warm-season crops
Tomatoes, peppers, cucumbers, zucchini, basil — after all frost risk.
2. Direct-sow beans & corn
Green beans, sweet corn, and squash once soil is warm (60°F+).
3. Mulch & stake
Mulch to hold moisture, stake/cage tomatoes, and set up trellises for vines.
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My ZIP's Mar checklist
Tasks are general guidance from USDA & university extension seasonal checklists. Confirm with your county extension office and local forecast.