Month planting calendar

What to plant in March in San Antonio (78205)

In San Antonio, ZIP 78205, zone 9a, here is what you can start indoors, transplant, or direct-sow in March, and what to wait on until later.

Source: san-antonio-intl frost station, USDA zone 9a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.