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What to plant in May in Zone 2b

In May, Zone 2b gardeners can start indoors, transplant outdoors, sow for fall harvest — 27 crops have a planting task this month.

Zone 2b frost: last ~05/25, first ~09/15. Dates computed from these and cited extension rules. For your exact town, use the ZIP tool.

Start indoors

TomatoesStart indoorsEggplantStart indoorsCucumbersStart indoorsSummer Squash & ZucchiniStart indoorsWinter SquashStart indoorsPumpkinsStart indoorsMelonsStart indoorsOkraStart indoors

Transplant outdoors

TomatoesTransplant outdoorsBasilTransplant outdoorsBroccoliTransplant outdoorsCabbageTransplant outdoorsCauliflowerTransplant outdoorsBrussels SproutsTransplant outdoorsKaleTransplant outdoorsLettuceTransplant outdoorsOnionsTransplant outdoorsLeeksTransplant outdoorsSwiss ChardTransplant outdoorsCucumbersTransplant outdoorsParsleyTransplant outdoors

Direct-sow

LettuceDirect-sowSpinachDirect-sowSwiss ChardDirect-sowRadishesDirect-sowTurnipsDirect-sowBeetsDirect-sowCarrotsDirect-sowBeansDirect-sowSweet CornDirect-sowCucumbersDirect-sowPotatoesDirect-sow

Sow for fall harvest

CabbageSow for fall harvestBrussels SproutsSow for fall harvestCarrotsSow for fall harvest

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Last verified 2026-07-16. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rules: UNH Extension, Johnny's, UGA Extension.