Month planting calendar
What to plant in March in Oklahoma City (73102)
In Oklahoma City, ZIP 73102, zone 7b, here is what you can start indoors, transplant, or direct-sow in March, and what to wait on until later.
Source: oklahoma-city-will-rogers frost station, USDA zone 7b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.