When to plant in Longmeadow, MA
USDA Zone 6bLongmeadow, Massachusetts frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Heads up: the nearest complete-normals station is about 15 km from Longmeadow, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. Zone 6b means Longmeadow sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
HARTFORD BRADLEY INTL AP · 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 Longmeadow’s own odds, recorded at HARTFORD BRADLEY INTL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 18 | May 5 | Apr 22 | Sep 26 | Oct 6 | Oct 21 |
| 32°F | May 6 | Apr 21 | Apr 8 | Oct 3 | Oct 16 | Nov 2 |
| 28°F | Apr 22 | Apr 7 | Mar 26 | Oct 13 | Oct 29 | Nov 12 |
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 Longmeadow, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
Longmeadow planting FAQ
When is the last spring frost in Longmeadow, MA?
Longmeadow's average last spring frost falls near April 21 — 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 Longmeadow, MA?
The first fall frost in Longmeadow typically arrives around October 16 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Longmeadow in?
Longmeadow is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Longmeadow?
There are roughly 178 frost-free days in Longmeadow (a moderate growing season), running from the average last frost around April 21 to the first fall frost near October 16.
When should I plant tomatoes in Longmeadow?
In Longmeadow, start tomato seeds indoors around February 24–March 10, then transplant seedlings outdoors around April 28 once the danger of frost has passed.
Never miss a window in Longmeadow
An email when it’s time to start seeds, transplant, and sow — timed to Longmeadow’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Agawam Town · 7 km
- Springfield · 8 km
- West Springfield Town · 11 km
- Chicopee · 14 km
- Windsor Locks · 15 km
- Westfield · 18 km
- Holyoke · 19 km
- Easthampton · 26 km
Frost dates recorded at HARTFORD BRADLEY INTL AP, 15 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 Longmeadow, MA — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014740. Retrieved from https://blissgarden.com/massachusetts/longmeadow.