When to plant carrots in New Hampshire

Carrots
Sow outdoors in Manchester
Apr 9–May 14

Across New Hampshire the window opens between April 8 and April 23. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Manchester
Apr 9–May 14
Fall planting, Manchester
Jul 19–Aug 2
Last frost, Manchester
Apr 30

Sow outdoors from 3 weeks before to 2 weeks after the last frost; sow again for fall 10–12 weeks before the first frost. Keep the seedbed moist until carrots come up. They can take two to three weeks to sprout.

Carrots planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
ManchesterApr 9–May 14
NashuaApr 8–May 13
ConcordApr 17–May 22
DoverApr 12–May 17
RochesterApr 9–May 14
KeeneApr 23–May 28
PortsmouthApr 13–May 18
DerryApr 9–May 14

Questions

When should I plant carrots in New Hampshire?

In Manchester, sow outdoors from April 9 to May 14. Across New Hampshire the window opens between April 8 and April 23, depending on the local last frost.

How is this date worked out?

Sow outdoors from 3 weeks before to 2 weeks after the last frost; sow again for fall 10–12 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for New Hampshire

Carrots in other states

Frost dates for every city in New Hampshire