FrostCal

When to Plant Spinach in New Hampshire

In a typical New Hampshire location, sow outdoors Mar 22 – Apr 5. Across the state, the outdoor planting window starts as early as Mar 10 in Salem and as late as Apr 2 in Berlin. For a fall crop, plant around Aug 14 – Aug 28.

Method Direct sow
Days to maturity 40–50 days

Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Spinach Planting Dates by City

CityDirect sowFall planting
ManchesterMar 19 – Apr 2Aug 16 – Aug 30
NashuaMar 19 – Apr 2Aug 17 – Aug 31
ConcordMar 27 – Apr 10Aug 8 – Aug 22
East ConcordMar 27 – Apr 10Aug 8 – Aug 22
Derry VillageMar 19 – Apr 2Aug 16 – Aug 30
DoverMar 22 – Apr 5Aug 15 – Aug 29
RochesterMar 19 – Apr 2Aug 14 – Aug 28
SalemMar 10 – Mar 24Aug 26 – Sep 9
MerrimackMar 19 – Apr 2Aug 17 – Aug 31
KeeneApr 2 – Apr 16Aug 6 – Aug 20
DerryMar 19 – Apr 2Aug 16 – Aug 30
PortsmouthMar 23 – Apr 6Aug 13 – Aug 27
BedfordMar 10 – Mar 24Aug 24 – Sep 7
LaconiaMar 19 – Apr 2Aug 23 – Sep 6
LebanonMar 28 – Apr 11Aug 11 – Aug 25
WindhamMar 22 – Apr 5Aug 13 – Aug 27
ClaremontApr 2 – Apr 16Aug 6 – Aug 20
PelhamMar 22 – Apr 5Aug 13 – Aug 27
SomersworthMar 19 – Apr 2Aug 14 – Aug 28
LondonderryMar 10 – Mar 24Aug 24 – Sep 7
DurhamMar 27 – Apr 10Aug 9 – Aug 23
HamptonMar 23 – Apr 6Aug 13 – Aug 27
BerlinApr 2 – Apr 16Aug 5 – Aug 19
ExeterMar 23 – Apr 6Aug 13 – Aug 27

Showing the 24 most populous of 24 New Hampshire cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all New Hampshire cities.

Frequently Asked Questions

When should I plant spinach in New Hampshire?

In a typical New Hampshire location, sow outdoors Mar 22 – Apr 5. Across the state, the outdoor planting window starts as early as Mar 10 in Salem and as late as Apr 2 in Berlin. For a fall crop, plant around Aug 14 – Aug 28.

When is the last frost in New Hampshire?

The average last spring frost in New Hampshire ranges from April 21 in Salem to May 14 in Berlin, based on NOAA 1991–2020 climate normals.

How long do spinach take to grow?

Spinach typically take 40–50 days from planting to harvest. Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Other Crops in New Hampshire

When to plant spinach in other states

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