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What to plant in May in Zone 5b

In May, Zone 5b gardeners can transplant outdoors, sow for fall harvest, direct-sow — 16 crops have a planting task this month.

Zone 5b frost: last ~05/04, first ~10/08. Dates computed from these and cited extension rules. For your exact town, use the ZIP tool.

Transplant outdoors

TomatoesTransplant outdoorsPeppersTransplant outdoorsEggplantTransplant outdoorsBasilTransplant outdoorsCucumbersTransplant outdoorsSummer Squash & ZucchiniTransplant outdoorsWinter SquashTransplant outdoorsPumpkinsTransplant outdoorsMelonsTransplant outdoorsOkraTransplant outdoors

Direct-sow

CarrotsDirect-sowBeansDirect-sowSweet CornDirect-sowCucumbersDirect-sowSummer Squash & ZucchiniDirect-sowWinter SquashDirect-sowPumpkinsDirect-sowOkraDirect-sowPotatoesDirect-sow

Sow for fall harvest

CabbageSow for fall harvestBrussels SproutsSow 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.