New Braintree, MA frost dates
Last spring frostMay 12median date
First fall frostOct 1median date
Growing season142 daysfrost-free
Hardiness zone6aZone 6a
How New Braintree compares
- In 8 years out of 10, the last spring frost in New Braintree falls between April 27 and May 28, a 31-day window. The first fall frost falls between September 18 and October 15.
- The median last frost is 15 days later than the Massachusetts median of Apr 27.
- Its 142-day growing season is among the shortest of the 510 Massachusetts places with a regular frost season.
- The last frost is 13 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 176 nights a year at or below 32°F.
- Compared with Worcester, MA, 26 km away, the last frost here is 19 days later than there and the growing season is 39 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 27 |
| 50% (median) | May 12 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 18 |
| 50% (median) | October 1 |
| 90% (late) | October 15 |
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 New Braintree, MA
New Braintree, MA frost dates — last frost May 12, first frost Oct 1, zone 6a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Feb 17 to Mar 3Transplant outside: Apr 14 to Apr 28
Start indoors: Mar 3 to Mar 17Transplant outside: May 26 to Jun 9
Start indoors: Mar 3 to Mar 17Transplant outside: May 26 to Jun 9
Start indoors: Mar 17 to Mar 31Transplant outside: May 19 to Jun 2
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 21 to May 5Sow outdoors: Apr 14 to May 19Plant for fall: Aug 6 to Sep 3
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 14 to Apr 28Sow outdoors: Apr 14 to Apr 28Plant for fall: Jul 23 to Aug 13
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 28 to May 12Plant for fall: Jun 25 to Jul 16
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 21 to May 5Plant for fall: Jun 25 to Jul 16
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 28 to May 12Plant for fall: Jun 25 to Jul 16
Start indoors: Mar 31 to Apr 14Transplant outside: Jun 2 to Jun 16Sow outdoors: Jun 2 to Jun 16
Start indoors: Mar 31 to Apr 14Transplant outside: May 19 to Jun 2
Sow outdoors: Mar 31 to Apr 21Plant for fall: Jul 9 to Jul 30
Sow outdoors: Mar 31 to Apr 21Plant for fall: Aug 6 to Aug 27
Sow outdoors: Apr 7 to May 19Plant for fall: Aug 20 to Sep 10
Start indoors: Apr 14 to Apr 21Transplant outside: May 26 to Jun 2Sow outdoors: May 19 to Jun 2Plant for fall: Jul 16 to Jul 30
Start indoors: Apr 14 to Apr 21Sow outdoors: May 19 to Jun 2Plant for fall: Jul 23 to Aug 6
Start indoors: Apr 14 to Apr 21Sow outdoors: May 19 to Jun 2
Start indoors: Apr 14 to Apr 21Transplant outside: May 26 to Jun 9
Sow outdoors: Apr 21 to May 19Plant for fall: Jul 9 to Jul 23
Sow outdoors: Apr 21 to May 19Plant for fall: Jul 23 to Aug 6
Sow outdoors: Apr 21 to May 12
Sow outdoors: Apr 28 to May 26Plant for fall: Jul 23 to Aug 6
Sow outdoors: Apr 28 to May 19Plant for fall: Aug 6 to Aug 27
Sow outdoors: May 19 to Jun 9Plant for fall: Jul 16 to Jul 30
Sow outdoors: May 19 to Jun 2
Transplant outside: May 26 to Jun 16
Plant for fall: Sep 17 to Oct 22
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in New Braintree, MA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 17 – Mar 3 | Apr 14 – Apr 28 | — | — |
| Peppers | Mar 3 – Mar 17 | May 26 – Jun 9 | — | — |
| Eggplant | Mar 3 – Mar 17 | May 26 – Jun 9 | — | — |
| Tomatoes | Mar 17 – Mar 31 | May 19 – Jun 2 | — | — |
| Lettuce | Mar 17 – Mar 31 | Apr 21 – May 5 | Apr 14 – May 19 | Aug 6 – Sep 3 |
| Kale | Mar 17 – Mar 31 | Apr 14 – Apr 28 | Apr 14 – Apr 28 | Jul 23 – Aug 13 |
| Broccoli | Mar 17 – Mar 31 | Apr 28 – May 12 | — | Jun 25 – Jul 16 |
| Cabbage | Mar 17 – Mar 31 | Apr 21 – May 5 | — | Jun 25 – Jul 16 |
| Cauliflower | Mar 17 – Mar 31 | Apr 28 – May 12 | — | Jun 25 – Jul 16 |
| Okra | Mar 31 – Apr 14 | Jun 2 – Jun 16 | Jun 2 – Jun 16 | — |
| Basil | Mar 31 – Apr 14 | May 19 – Jun 2 | — | — |
| Peas | — | — | Mar 31 – Apr 21 | Jul 9 – Jul 30 |
| Spinach | — | — | Mar 31 – Apr 21 | Aug 6 – Aug 27 |
| Radishes | — | — | Apr 7 – May 19 | Aug 20 – Sep 10 |
| Cucumbers | Apr 14 – Apr 21 | May 26 – Jun 2 | May 19 – Jun 2 | Jul 16 – Jul 30 |
| Zucchini & Summer Squash | Apr 14 – Apr 21 | — | May 19 – Jun 2 | Jul 23 – Aug 6 |
| Winter Squash & Pumpkins | Apr 14 – Apr 21 | — | May 19 – Jun 2 | — |
| Melons & Watermelon | Apr 14 – Apr 21 | May 26 – Jun 9 | — | — |
| Carrots | — | — | Apr 21 – May 19 | Jul 9 – Jul 23 |
| Beets | — | — | Apr 21 – May 19 | Jul 23 – Aug 6 |
| Potatoes | — | — | Apr 21 – May 12 | — |
| Swiss Chard | — | — | Apr 28 – May 26 | Jul 23 – Aug 6 |
| Cilantro | — | — | Apr 28 – May 19 | Aug 6 – Aug 27 |
| Green Beans | — | — | May 19 – Jun 9 | Jul 16 – Jul 30 |
| Sweet Corn | — | — | May 19 – Jun 2 | — |
| Sweet Potatoes | — | May 26 – Jun 16 | — | — |
| Garlic | — | — | — | Sep 17 – Oct 22 |
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 Barre Falls Dam, MA weather station, 15 km away (elevation 827 ft (252 m)).
Frost dates near New Braintree
- Wheelwright May 12 · Oct 1
- Gilbertville May 3 · Oct 14
- North Brookfield Apr 23 · Oct 21
- Oakham May 12 · Oct 1
- South Barre May 12 · Oct 1
- Hardwick May 3 · Oct 14
- West Brookfield Apr 28 · Oct 15
- Barre May 12 · Oct 1
- Ware May 3 · Oct 14
- East Brookfield Apr 28 · Oct 15
Frequently asked questions
When is the last frost in New Braintree, MA?
The median last spring frost in New Braintree, MA is May 12. There is still about a 10% chance of frost after May 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in New Braintree, MA?
The median first fall frost is October 1, with about a 10% chance of frost before September 18.
How long is the growing season in New Braintree, MA?
About 142 days between the median last spring frost and first fall frost.
What planting zone is New Braintree, MA?
New Braintree, MA is in USDA hardiness zone 6a.