Center Tuftonboro, NH frost dates
How Center Tuftonboro compares
- In 8 years out of 10, the last spring frost in Center Tuftonboro falls between April 26 and May 19, a 23-day window. The first fall frost falls between September 24 and October 19.
- The median last frost is 1 day earlier than the New Hampshire median of May 7.
- Its 153-day growing season is longer than 60% of the 252 New Hampshire places with a regular frost season (state median 150 days).
- The last frost is 5 days later than the zone 5b median of May 1. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5b chart.
- The weather station records an average of 173 nights a year at or below 32°F.
- Compared with Manchester, NH, 79 km away, the last frost here is 6 days later than there and the growing season is 11 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 26 |
| 50% (median) | May 6 |
| 10% (safe for tender plants) | May 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 6 |
| 90% (late) | October 19 |
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 Center Tuftonboro, NH
Center Tuftonboro, NH frost dates — last frost May 6, first frost Oct 6, zone 5b. whenisthelastfrost.com
When to plant vegetables in Center Tuftonboro, NH
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 11 – Feb 25 | Apr 8 – Apr 22 | — | — |
| Peppers | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Eggplant | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Tomatoes | Mar 11 – Mar 25 | May 13 – May 27 | — | — |
| Lettuce | Mar 11 – Mar 25 | Apr 15 – Apr 29 | Apr 8 – May 13 | Aug 11 – Sep 8 |
| Kale | Mar 11 – Mar 25 | Apr 8 – Apr 22 | Apr 8 – Apr 22 | Jul 28 – Aug 18 |
| Broccoli | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jun 30 – Jul 21 |
| Cabbage | Mar 11 – Mar 25 | Apr 15 – Apr 29 | — | Jun 30 – Jul 21 |
| Cauliflower | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jun 30 – Jul 21 |
| Okra | Mar 25 – Apr 8 | May 27 – Jun 10 | May 27 – Jun 10 | — |
| Basil | Mar 25 – Apr 8 | May 13 – May 27 | — | — |
| Peas | — | — | Mar 25 – Apr 15 | Jul 14 – Aug 4 |
| Spinach | — | — | Mar 25 – Apr 15 | Aug 11 – Sep 1 |
| Radishes | — | — | Apr 1 – May 13 | Aug 25 – Sep 15 |
| Cucumbers | Apr 8 – Apr 15 | May 20 – May 27 | May 13 – May 27 | Jul 21 – Aug 4 |
| Zucchini & Summer Squash | Apr 8 – Apr 15 | — | May 13 – May 27 | Jul 28 – Aug 11 |
| Winter Squash & Pumpkins | Apr 8 – Apr 15 | — | May 13 – May 27 | — |
| Melons & Watermelon | Apr 8 – Apr 15 | May 20 – Jun 3 | — | — |
| Carrots | — | — | Apr 15 – May 13 | Jul 14 – Jul 28 |
| Beets | — | — | Apr 15 – May 13 | Jul 28 – Aug 11 |
| Potatoes | — | — | Apr 15 – May 6 | — |
| Swiss Chard | — | — | Apr 22 – May 20 | Jul 28 – Aug 11 |
| Cilantro | — | — | Apr 22 – May 13 | Aug 11 – Sep 1 |
| Green Beans | — | — | May 13 – Jun 3 | Jul 21 – Aug 4 |
| Sweet Corn | — | — | May 13 – May 27 | — |
| Sweet Potatoes | — | May 20 – Jun 10 | — | — |
| Garlic | — | — | — | Sep 22 – Oct 27 |
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 E Sandwich, NH weather station, 16 km away (elevation 692 ft (211 m)).
Frost dates near Center Tuftonboro
- Melvin Village May 6 · Oct 6
- Mirror Lake Apr 28 · Oct 16
- Wolfeboro Falls Apr 30 · Oct 18
- Wolfeboro Apr 30 · Oct 18
- Ossipee May 6 · Oct 6
- Moultonborough Apr 28 · Oct 16
- Center Ossipee May 16 · Sep 26
- South Tamworth May 6 · Oct 6
- West Ossipee May 16 · Sep 26
- Center Harbor Apr 28 · Oct 16
Frequently asked questions
When is the last frost in Center Tuftonboro, NH?
The median last spring frost in Center Tuftonboro, NH is May 6. There is still about a 10% chance of frost after May 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Center Tuftonboro, NH?
The median first fall frost is October 6, with about a 10% chance of frost before September 24.
How long is the growing season in Center Tuftonboro, NH?
About 153 days between the median last spring frost and first fall frost.
What planting zone is Center Tuftonboro, NH?
Center Tuftonboro, NH is in USDA hardiness zone 5b.