Month planting calendar

What to plant in December in Mesa (85201)

In Mesa, ZIP 85201, zone 10a, here is what you can start indoors, transplant, or direct-sow in December, and what to wait on until later.

Source: phoenix-skyharbor frost station, USDA zone 10a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.