When to plant in Amesbury, MA
USDA Zone 6aAmesbury, Massachusetts frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 6a, Amesbury gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Amesbury is now 6 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
HAVERHILL · 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 Amesbury’s own odds, recorded at HAVERHILL.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 23 | May 12 | Apr 30 | Sep 21 | Oct 3 | Oct 15 |
| 32°F | May 14 | May 1 | Apr 20 | Oct 1 | Oct 12 | Oct 28 |
| 28°F | May 1 | Apr 19 | Apr 6 | Oct 7 | Oct 23 | Nov 7 |
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 Amesbury, 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.
Amesbury planting FAQ
When is the last spring frost in Amesbury, MA?
Plan for the last spring frost in Amesbury around May 1 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Amesbury, MA?
In Amesbury, the first 32°F freeze of fall lands around October 12 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Amesbury in?
Amesbury 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 Amesbury?
Amesbury has about 164 frost-free days — a moderate growing season — between the average last spring frost (May 1) and first fall frost (October 12).
When should I plant tomatoes in Amesbury?
For Amesbury, sow tomatoes indoors about March 6–March 20 and move the seedlings out around May 8, after the last spring frost.
Never miss a window in Amesbury
An email when it’s time to start seeds, transplant, and sow — timed to Amesbury’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Newburyport · 7 km
- Haverhill · 13 km
- Hampton · 15 km
- Methuen · 22 km
- Lawrence · 24 km
- Derry · 27 km
- Portsmouth · 27 km
- Danvers · 31 km
Frost dates recorded at HAVERHILL, 13 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 Amesbury, MA — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00193505. Retrieved from https://blissgarden.com/massachusetts/amesbury.