Fremont, NH frost dates
How Fremont compares
- In 8 years out of 10, the last spring frost in Fremont falls between April 25 and May 21, a 26-day window. The first fall frost falls between September 22 and October 17.
- The median last frost is the same as the New Hampshire median of May 7.
- Its 150-day growing season is longer than 49% of the 252 New Hampshire places with a regular frost season (state median 150 days).
- The last frost is 8 days later than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 154 nights a year at or below 32°F.
- Compared with Haverhill, MA, 24 km away, the last frost here is 6 days later than there and the growing season is 14 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 25 |
| 50% (median) | May 7 |
| 10% (safe for tender plants) | May 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 22 |
| 50% (median) | October 4 |
| 90% (late) | October 17 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Fremont, NH
Fremont, NH frost dates — last frost May 7, first frost Oct 4, zone 6a. whenisthelastfrost.com
When to plant vegetables in Fremont, NH
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 12 – Feb 26 | Apr 9 – Apr 23 | — | — |
| Peppers | Feb 26 – Mar 12 | May 21 – Jun 4 | — | — |
| Eggplant | Feb 26 – Mar 12 | May 21 – Jun 4 | — | — |
| Tomatoes | Mar 12 – Mar 26 | May 14 – May 28 | — | — |
| Lettuce | Mar 12 – Mar 26 | Apr 16 – Apr 30 | Apr 9 – May 14 | Aug 9 – Sep 6 |
| Kale | Mar 12 – Mar 26 | Apr 9 – Apr 23 | Apr 9 – Apr 23 | Jul 26 – Aug 16 |
| Broccoli | Mar 12 – Mar 26 | Apr 23 – May 7 | — | Jun 28 – Jul 19 |
| Cabbage | Mar 12 – Mar 26 | Apr 16 – Apr 30 | — | Jun 28 – Jul 19 |
| Cauliflower | Mar 12 – Mar 26 | Apr 23 – May 7 | — | Jun 28 – Jul 19 |
| Okra | Mar 26 – Apr 9 | May 28 – Jun 11 | May 28 – Jun 11 | — |
| Basil | Mar 26 – Apr 9 | May 14 – May 28 | — | — |
| Peas | — | — | Mar 26 – Apr 16 | Jul 12 – Aug 2 |
| Spinach | — | — | Mar 26 – Apr 16 | Aug 9 – Aug 30 |
| Radishes | — | — | Apr 2 – May 14 | Aug 23 – Sep 13 |
| Cucumbers | Apr 9 – Apr 16 | May 21 – May 28 | May 14 – May 28 | Jul 19 – Aug 2 |
| Zucchini & Summer Squash | Apr 9 – Apr 16 | — | May 14 – May 28 | Jul 26 – Aug 9 |
| Winter Squash & Pumpkins | Apr 9 – Apr 16 | — | May 14 – May 28 | — |
| Melons & Watermelon | Apr 9 – Apr 16 | May 21 – Jun 4 | — | — |
| Carrots | — | — | Apr 16 – May 14 | Jul 12 – Jul 26 |
| Beets | — | — | Apr 16 – May 14 | Jul 26 – Aug 9 |
| Potatoes | — | — | Apr 16 – May 7 | — |
| Swiss Chard | — | — | Apr 23 – May 21 | Jul 26 – Aug 9 |
| Cilantro | — | — | Apr 23 – May 14 | Aug 9 – Aug 30 |
| Green Beans | — | — | May 14 – Jun 4 | Jul 19 – Aug 2 |
| Sweet Corn | — | — | May 14 – May 28 | — |
| Sweet Potatoes | — | May 21 – Jun 11 | — | — |
| Garlic | — | — | — | Sep 20 – Oct 25 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Epping, NH weather station, 6 km away (elevation 161 ft (49 m)).
Frost dates near Fremont
- Danville Apr 30 · Oct 11
- Epping May 7 · Oct 4
- Raymond May 7 · Oct 4
- Sandown Apr 30 · Oct 11
- Kingston Apr 30 · Oct 11
- Chester Apr 30 · Oct 11
- East Hampstead Apr 30 · Oct 11
- Hampstead Apr 30 · Oct 11
- East Candia Apr 30 · Oct 11
- Newfields May 7 · Oct 4
Frequently asked questions
When is the last frost in Fremont, NH?
The median last spring frost in Fremont, NH is May 7. There is still about a 10% chance of frost after May 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Fremont, NH?
The median first fall frost is October 4, with about a 10% chance of frost before September 22.
How long is the growing season in Fremont, NH?
About 150 days between the median last spring frost and first fall frost.
What planting zone is Fremont, NH?
Fremont, NH is in USDA hardiness zone 6a.