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What to plant in April in Zone 6b

In April, Zone 6b gardeners can transplant outdoors, direct-sow, start indoors — 38 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 indoorsSummer Squash & ZucchiniStart indoorsWinter SquashStart indoorsPumpkinsStart indoorsMelonsStart indoorsOkraStart indoorsWatermelonStart indoors

Transplant outdoors

TomatoesTransplant outdoorsPeppersTransplant outdoorsBasilTransplant outdoorsBroccoliTransplant outdoorsCabbageTransplant outdoorsCauliflowerTransplant outdoorsBrussels SproutsTransplant outdoorsKaleTransplant outdoorsLettuceTransplant outdoorsOnionsTransplant outdoorsLeeksTransplant outdoorsSwiss ChardTransplant outdoorsCucumbersTransplant outdoorsSummer Squash & ZucchiniTransplant outdoorsWinter SquashTransplant outdoorsPumpkinsTransplant outdoorsMelonsTransplant outdoorsParsleyTransplant outdoorsCollardsTransplant outdoorsWatermelonTransplant outdoorsCeleryTransplant outdoorsKohlrabiTransplant outdoorsArtichokeTransplant outdoorsOreganoTransplant outdoorsSageTransplant outdoorsThymeTransplant outdoors

Direct-sow

LettuceDirect-sowSwiss ChardDirect-sowRadishesDirect-sowTurnipsDirect-sowBeetsDirect-sowCarrotsDirect-sowBeansDirect-sowSweet CornDirect-sowCucumbersDirect-sowSummer Squash & ZucchiniDirect-sowWinter SquashDirect-sowPumpkinsDirect-sowPotatoesDirect-sowSweet PotatoesDirect-sowAsparagusDirect-sowCilantroDirect-sowDillDirect-sow

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