When to plant spinach in New Hampshire

Spinach
Sow outdoors in Manchester
Mar 19–Apr 9

Across New Hampshire the window opens between March 18 and April 2. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Manchester
Mar 19–Apr 9
Fall planting, Manchester
Aug 16–Aug 30
Last frost, Manchester
Apr 30

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Spinach bolts as days lengthen. Early spring and fall are its seasons.

Spinach planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
ManchesterMar 19–Apr 9
NashuaMar 18–Apr 8
ConcordMar 27–Apr 17
DoverMar 22–Apr 12
RochesterMar 19–Apr 9
KeeneApr 2–Apr 23
PortsmouthMar 23–Apr 13
DerryMar 19–Apr 9

Questions

When should I plant spinach in New Hampshire?

In Manchester, sow outdoors from March 19 to April 9. Across New Hampshire the window opens between March 18 and April 2, depending on the local last frost.

How is this date worked out?

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for New Hampshire

Spinach in other states

Frost dates for every city in New Hampshire