When to plant in Nantucket, MA
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Nantucket, Massachusetts — all computed from Nantucket's nearest NOAA weather station.
Zone 7b means many perennials and even some tender shrubs overwinter in Nantucket, while your frost dates still decide when annuals go out.
Frost probability
NANTUCKET MEM 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 Nantucket’s own odds, recorded at NANTUCKET MEM AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 11 | Apr 28 | Apr 17 | Oct 13 | Oct 26 | Nov 9 |
| 32°F | Apr 27 | Apr 13 | Apr 2 | Oct 25 | Nov 8 | Nov 23 |
| 28°F | Apr 12 | Mar 31 | Mar 17 | Nov 5 | Nov 23 | Dec 6 |
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 Nantucket, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 44 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.
Nantucket planting FAQ
When is the last spring frost in Nantucket, MA?
Plan for the last spring frost in Nantucket around April 13 (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 Nantucket, MA?
Expect Nantucket's first fall frost near November 8 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Nantucket in?
Nantucket is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Nantucket?
There are roughly 209 frost-free days in Nantucket (a moderate growing season), running from the average last frost around April 13 to the first fall frost near November 8.
When should I plant tomatoes in Nantucket?
In Nantucket, start tomato seeds indoors around February 16–March 2, then transplant seedlings outdoors around April 20 once the danger of frost has passed.
Never miss a window in Nantucket
An email when it’s time to start seeds, transplant, and sow — timed to Nantucket’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- South Yarmouth · 45 km
- Barnstable Town · 49 km
- New Bedford · 82 km
- Fall River · 97 km
- Newport East · 103 km
- Somerset · 103 km
- Newport · 105 km
- Bridgewater Town · 107 km
Frost dates recorded at NANTUCKET MEM AP, 4 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 Nantucket, MA — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014756. Retrieved from https://blissgarden.com/massachusetts/nantucket.