When to plant in Palmer Town, MA
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Palmer Town, Massachusetts — all computed from Palmer Town's nearest NOAA weather station.
Zone 6a means Palmer Town sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
BELCHERTOWN · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Palmer Town’s own odds, recorded at BELCHERTOWN.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 25 | May 13 | Apr 30 | Sep 23 | Oct 4 | Oct 16 |
| 32°F | May 16 | May 3 | Apr 21 | Oct 1 | Oct 14 | Oct 29 |
| 28°F | May 4 | Apr 20 | Apr 7 | Oct 12 | Oct 27 | Nov 9 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Palmer Town, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 22 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Palmer Town planting FAQ
When is the last spring frost in Palmer Town, MA?
Palmer Town's average last spring frost falls near May 3 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Palmer Town, MA?
The first fall frost in Palmer Town typically arrives around October 14 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Palmer Town in?
Palmer Town is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Palmer Town?
There are roughly 164 frost-free days in Palmer Town (a moderate growing season), running from the average last frost around May 3 to the first fall frost near October 14.
When should I plant tomatoes in Palmer Town?
In Palmer Town, start tomato seeds indoors around March 8–March 22, then transplant seedlings outdoors around May 10 once the danger of frost has passed.
Never miss a window in Palmer Town
An email when it’s time to start seeds, transplant, and sow — timed to Palmer Town’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Springfield · 21 km
- Chicopee · 22 km
- Amherst Town · 25 km
- Southbridge Town · 27 km
- Longmeadow · 27 km
- Holyoke · 28 km
- West Springfield Town · 29 km
- Easthampton · 31 km
Frost dates recorded at BELCHERTOWN, 11 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Palmer Town, MA — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00190562. Retrieved from https://blissgarden.com/massachusetts/palmer-town.