When to plant in Maynard, MA
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Maynard, Massachusetts — all computed from Maynard's nearest NOAA weather station.
Zone 6b means Maynard sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
MAYNARD 2 · 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 Maynard’s own odds, recorded at MAYNARD 2.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 27 | May 13 | Apr 30 | Sep 14 | Sep 27 | Oct 8 |
| 32°F | May 16 | May 2 | Apr 22 | Sep 25 | Oct 6 | Oct 22 |
| 28°F | May 5 | Apr 21 | Apr 8 | Oct 2 | Oct 18 | Nov 3 |
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 Maynard, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 16 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.
Maynard planting FAQ
When is the last spring frost in Maynard, MA?
Maynard's average last spring frost falls near May 2 — 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 Maynard, MA?
The first fall frost in Maynard typically arrives around October 6 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Maynard in?
Maynard 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 Maynard?
There are roughly 157 frost-free days in Maynard (a moderate growing season), running from the average last frost around May 2 to the first fall frost near October 6.
When should I plant tomatoes in Maynard?
In Maynard, start tomato seeds indoors around March 7–March 21, then transplant seedlings outdoors around May 9 once the danger of frost has passed.
Never miss a window in Maynard
An email when it’s time to start seeds, transplant, and sow — timed to Maynard’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Hudson · 10 km
- Marlborough · 11 km
- Framingham · 13 km
- Waltham · 18 km
- Lexington · 19 km
- Wellesley · 20 km
- Burlington · 23 km
- Newton · 23 km
Frost dates recorded at MAYNARD 2, 1 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 Maynard, MA — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00194580. Retrieved from https://blissgarden.com/massachusetts/maynard.