When to plant in Newport, RI
USDA Zone 7aNewport, Rhode Island frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7a, Newport supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Newport is now 9 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
NEWPORT ROSE · 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 Newport’s own odds, recorded at NEWPORT ROSE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 6 | Apr 23 | Apr 10 | Oct 17 | Nov 1 | Nov 12 |
| 32°F | Apr 21 | Apr 7 | Mar 28 | Oct 31 | Nov 13 | Nov 27 |
| 28°F | Apr 8 | Mar 28 | Mar 14 | Nov 11 | Nov 25 | Dec 11 |
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 Newport, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
Newport planting FAQ
When is the last spring frost in Newport, RI?
On average, the last spring frost in Newport is around April 7 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Newport, RI?
The first fall frost in Newport typically arrives around November 13 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Newport in?
Newport is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Newport?
Newport has about 220 frost-free days — a long growing season — between the average last spring frost (April 7) and first fall frost (November 13).
When should I plant tomatoes in Newport?
For Newport, sow tomatoes indoors about February 10–February 24 and move the seedlings out around April 14, after the last spring frost.
Never miss a window in Newport
An email when it’s time to start seeds, transplant, and sow — timed to Newport’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Newport East · 5 km
- Warwick · 27 km
- Somerset · 32 km
- Fall River · 33 km
- Cranston · 35 km
- East Providence · 36 km
- New Bedford · 38 km
- Providence · 39 km
Frost dates recorded at NEWPORT ROSE, 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 Newport, RI — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00375215. Retrieved from https://blissgarden.com/rhode-island/newport.