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What to plant in April in Zone 5b

In April, Zone 5b gardeners can start indoors, transplant outdoors, direct-sow — 32 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.

Start indoors

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

Transplant outdoors

BroccoliTransplant outdoorsCabbageTransplant outdoorsCauliflowerTransplant outdoorsBrussels SproutsTransplant outdoorsKaleTransplant outdoorsLettuceTransplant outdoorsOnionsTransplant outdoorsLeeksTransplant outdoorsSwiss ChardTransplant outdoorsParsleyTransplant outdoorsCollardsTransplant outdoorsKohlrabiTransplant outdoorsArtichokeTransplant outdoors

Direct-sow

LettuceDirect-sowSpinachDirect-sowSwiss ChardDirect-sowRadishesDirect-sowTurnipsDirect-sowBeetsDirect-sowCarrotsDirect-sowPeasDirect-sowPotatoesDirect-sowAsparagusDirect-sowDillDirect-sow

← March   May →

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