When to plant green beans in Zone 4

In Zone 4, the last spring frost usually passes around May 10 and the first fall frost arrives around September 21, leaving about 134 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.

Cool climate with a brief warm window. Indoor starts and season extension help.

Planting windows for green beans in Zone 4

The harvest estimate counts 55 days to maturity, then a picking window of about 21 days. These windows use typical frost dates for Zone 4; Dibble pins them to your exact ZIP code.

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Bean (bush) in a Zone 4 season

Zone 4 gives about 134 frost-free days. Bean (bush) needs roughly 55 days from sowing. That leaves about 79 days of slack, so there is room for a late start or a second planting.

Sowing every 14 days, Zone 4 has room for about 6 plantings.

How to grow green beans

Sow beans directly a week after your last frost when soil is warm. Succession sow every 2 weeks for continuous harvest.

Companion plants

Good neighbors for Bean (bush):

Better kept apart:

Bean (bush) in other zones

Not in Zone 4? Pick your zone for the same dated windows.

Keep exploring

Bean (bush): the full growing guide · The Zone 4 planting calendar · Every crop and zone

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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.