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What to plant in March in Zone 2a

In March, Zone 2a gardeners can start indoors — 15 crops have a planting task this month.

Zone 2a frost: last ~05/17, first ~09/07. Dates computed from these and cited extension rules. For your exact town, use the ZIP tool.

Start indoors

BroccoliStart indoors CabbageStart indoors CauliflowerStart indoors Brussels SproutsStart indoors KaleStart indoors LettuceStart indoors LeeksStart indoors Swiss ChardStart indoors CollardsStart indoors CeleryStart indoors KohlrabiStart indoors ArtichokeStart indoors OreganoStart indoors SageStart indoors ThymeStart indoors

← February April →

Last verified 2026-08-28. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rules: UNH Extension, Johnny's, UGA Extension.