Agawam, MA frost dates
How Agawam compares
- In 8 years out of 10, the last spring frost in Agawam falls between April 20 and May 17, a 27-day window. The first fall frost falls between September 26 and October 25.
- The median last frost is 6 days later than the Massachusetts median of Apr 27.
- Its 158-day growing season is longer than 18% of the 510 Massachusetts places with a regular frost season (state median 169 days).
- The last frost is 11 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 144 nights a year at or below 32°F.
- Agawam shares its weather station with Springfield, MA, 7 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 20 |
| 50% (median) | May 3 |
| 10% (safe for tender plants) | May 17 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 26 |
| 50% (median) | October 8 |
| 90% (late) | October 25 |
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 Agawam, MA
Agawam, MA frost dates — last frost May 3, first frost Oct 8, zone 6b. whenisthelastfrost.com
When to plant vegetables in Agawam, MA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 8 – Feb 22 | Apr 5 – Apr 19 | — | — |
| Peppers | Feb 22 – Mar 8 | May 17 – May 31 | — | — |
| Eggplant | Feb 22 – Mar 8 | May 17 – May 31 | — | — |
| Tomatoes | Mar 8 – Mar 22 | May 10 – May 24 | — | — |
| Lettuce | Mar 8 – Mar 22 | Apr 12 – Apr 26 | Apr 5 – May 10 | Aug 13 – Sep 10 |
| Kale | Mar 8 – Mar 22 | Apr 5 – Apr 19 | Apr 5 – Apr 19 | Jul 30 – Aug 20 |
| Broccoli | Mar 8 – Mar 22 | Apr 19 – May 3 | — | Jul 2 – Jul 23 |
| Cabbage | Mar 8 – Mar 22 | Apr 12 – Apr 26 | — | Jul 2 – Jul 23 |
| Cauliflower | Mar 8 – Mar 22 | Apr 19 – May 3 | — | Jul 2 – Jul 23 |
| Okra | Mar 22 – Apr 5 | May 24 – Jun 7 | May 24 – Jun 7 | — |
| Basil | Mar 22 – Apr 5 | May 10 – May 24 | — | — |
| Peas | — | — | Mar 22 – Apr 12 | Jul 16 – Aug 6 |
| Spinach | — | — | Mar 22 – Apr 12 | Aug 13 – Sep 3 |
| Radishes | — | — | Mar 29 – May 10 | Aug 27 – Sep 17 |
| Cucumbers | Apr 5 – Apr 12 | May 17 – May 24 | May 10 – May 24 | Jul 23 – Aug 6 |
| Zucchini & Summer Squash | Apr 5 – Apr 12 | — | May 10 – May 24 | Jul 30 – Aug 13 |
| Winter Squash & Pumpkins | Apr 5 – Apr 12 | — | May 10 – May 24 | — |
| Melons & Watermelon | Apr 5 – Apr 12 | May 17 – May 31 | — | — |
| Carrots | — | — | Apr 12 – May 10 | Jul 16 – Jul 30 |
| Beets | — | — | Apr 12 – May 10 | Jul 30 – Aug 13 |
| Potatoes | — | — | Apr 12 – May 3 | — |
| Swiss Chard | — | — | Apr 19 – May 17 | Jul 30 – Aug 13 |
| Cilantro | — | — | Apr 19 – May 10 | Aug 13 – Sep 3 |
| Green Beans | — | — | May 10 – May 31 | Jul 23 – Aug 6 |
| Sweet Corn | — | — | May 10 – May 24 | — |
| Sweet Potatoes | — | May 17 – Jun 7 | — | — |
| Garlic | — | — | — | Sep 24 – Oct 29 |
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 Westfield Barnes Muni Ap, MA weather station, 12 km away (elevation 272 ft (83 m)).
Frost dates near Agawam
- Feeding Hills May 3 · Oct 8
- Longmeadow May 3 · Oct 8
- Springfield May 3 · Oct 8
- West Springfield May 3 · Oct 8
- East Longmeadow May 3 · Oct 8
- Chicopee May 3 · Oct 8
- Southwick Apr 28 · Oct 17
- Indian Orchard May 3 · Oct 8
- Holyoke May 3 · Oct 8
- Hampden May 7 · Oct 12
Frequently asked questions
When is the last frost in Agawam, MA?
The median last spring frost in Agawam, MA is May 3. There is still about a 10% chance of frost after May 17, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Agawam, MA?
The median first fall frost is October 8, with about a 10% chance of frost before September 26.
How long is the growing season in Agawam, MA?
About 158 days between the median last spring frost and first fall frost.
What planting zone is Agawam, MA?
Agawam, MA is in USDA hardiness zone 6b.