When to plant green beans in New Hampshire

Sow outdoors in Manchester

May 7–May 28

Across New Hampshire the window opens between May 6 and May 21. Find your city below; the dates follow each town's own average last frost.

Sow outdoors 1–4 weeks after the last frost. Bush beans ripen all at once, so sow a new row every two to three weeks.

Green beans planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

ManchesterMay 7–May 28

NashuaMay 6–May 27

ConcordMay 15–Jun 5

DoverMay 10–May 31

RochesterMay 7–May 28

KeeneMay 21–Jun 11

PortsmouthMay 11–Jun 1

DerryMay 7–May 28

When should I plant green beans in New Hampshire?

In Manchester, sow outdoors from May 7 to May 28. Across New Hampshire the window opens between May 6 and May 21, depending on the local last frost.

How is this date worked out?

Sow outdoors 1–4 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.