Month planting calendar
What to plant in March in Detroit (48226)
In Detroit, ZIP 48226, zone 6b, here is what you can start indoors, transplant, or direct-sow in March, and what to wait on until later.
Source: detroit-metro frost station, USDA zone 6b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.
Transplant
No supported crops transplant in March for ZIP 48226.
Direct-sow
No supported crops direct-sow in March for ZIP 48226.