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What to plant in April in Zone 6b

In April, Zone 6b gardeners can transplant outdoors, direct-sow, start indoors — 26 crops have a planting task this month.

Zone 6b frost: last ~04/23, first ~10/20. Dates computed from these and cited extension rules. For your exact town, use the ZIP tool.

Start indoors

CucumbersStart indoors Summer Squash & ZucchiniStart indoors Winter SquashStart indoors PumpkinsStart indoors MelonsStart indoors OkraStart indoors

Transplant outdoors

TomatoesTransplant outdoors PeppersTransplant outdoors BasilTransplant outdoors BroccoliTransplant outdoors CabbageTransplant outdoors CauliflowerTransplant outdoors Brussels SproutsTransplant outdoors KaleTransplant outdoors LettuceTransplant outdoors OnionsTransplant outdoors LeeksTransplant outdoors Swiss ChardTransplant outdoors CucumbersTransplant outdoors Summer Squash & ZucchiniTransplant outdoors Winter SquashTransplant outdoors PumpkinsTransplant outdoors MelonsTransplant outdoors ParsleyTransplant outdoors

Direct-sow

LettuceDirect-sow Swiss ChardDirect-sow RadishesDirect-sow TurnipsDirect-sow BeetsDirect-sow CarrotsDirect-sow BeansDirect-sow Sweet CornDirect-sow CucumbersDirect-sow Summer Squash & ZucchiniDirect-sow Winter SquashDirect-sow PumpkinsDirect-sow PotatoesDirect-sow

← March May →

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