Frost dates for 02841 — Newport, RI
Last spring frostApr 11median date
First fall frostNov 4median date
Growing season207 daysfrost-free
Hardiness zone7aZone 7a
How Newport compares
- In 8 years out of 10, the last spring frost in Newport falls between March 31 and April 24, a 24-day window. The first fall frost falls between October 22 and November 17.
- The median last frost is 11 days earlier than the Rhode Island median of Apr 22.
- Its 207-day growing season is longer than 91% of the 70 Rhode Island places with a regular frost season (state median 181 days).
- The last frost is 5 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 98 nights a year at or below 32°F.
- Compared with Fall River, MA, 25 km away, the last frost here is the same as there and the growing season is 2 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 31 |
| 50% (median) | April 11 |
| 10% (safe for tender plants) | April 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 22 |
| 50% (median) | November 4 |
| 90% (late) | November 17 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Newport, RI
Frost dates for 02841 — Newport, RI — last frost Apr 11, first frost Nov 4, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Jan 17 to Jan 31Transplant outside: Mar 14 to Mar 28
Start indoors: Jan 31 to Feb 14Transplant outside: Apr 25 to May 9
Start indoors: Jan 31 to Feb 14Transplant outside: Apr 25 to May 9
Start indoors: Feb 14 to Feb 28Transplant outside: Apr 18 to May 2
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 21 to Apr 4Sow outdoors: Mar 14 to Apr 18Plant for fall: Sep 9 to Oct 7
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 14 to Mar 28Sow outdoors: Mar 14 to Mar 28Plant for fall: Aug 26 to Sep 16
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 28 to Apr 11Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 21 to Apr 4Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 28 to Apr 11Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 28 to Mar 14Transplant outside: May 2 to May 16Sow outdoors: May 2 to May 16
Start indoors: Feb 28 to Mar 14Transplant outside: Apr 18 to May 2
Sow outdoors: Feb 28 to Mar 21Plant for fall: Aug 12 to Sep 2
Sow outdoors: Feb 28 to Mar 21Plant for fall: Sep 9 to Sep 30
Sow outdoors: Mar 7 to Apr 18Plant for fall: Sep 23 to Oct 14
Start indoors: Mar 14 to Mar 21Transplant outside: Apr 25 to May 2Sow outdoors: Apr 18 to May 2Plant for fall: Aug 19 to Sep 2
Start indoors: Mar 14 to Mar 21Sow outdoors: Apr 18 to May 2Plant for fall: Aug 26 to Sep 9
Start indoors: Mar 14 to Mar 21Sow outdoors: Apr 18 to May 2
Start indoors: Mar 14 to Mar 21Transplant outside: Apr 25 to May 9
Sow outdoors: Mar 21 to Apr 18Plant for fall: Aug 12 to Aug 26
Sow outdoors: Mar 21 to Apr 18Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 21 to Apr 11
Sow outdoors: Mar 28 to Apr 25Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 28 to Apr 18Plant for fall: Sep 9 to Sep 30
Sow outdoors: Apr 18 to May 9Plant for fall: Aug 19 to Sep 2
Sow outdoors: Apr 18 to May 2
Transplant outside: Apr 25 to May 16
Plant for fall: Oct 21 to Nov 25
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Newport, RI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 17 – Jan 31 | Mar 14 – Mar 28 | — | — |
| Peppers | Jan 31 – Feb 14 | Apr 25 – May 9 | — | — |
| Eggplant | Jan 31 – Feb 14 | Apr 25 – May 9 | — | — |
| Tomatoes | Feb 14 – Feb 28 | Apr 18 – May 2 | — | — |
| Lettuce | Feb 14 – Feb 28 | Mar 21 – Apr 4 | Mar 14 – Apr 18 | Sep 9 – Oct 7 |
| Kale | Feb 14 – Feb 28 | Mar 14 – Mar 28 | Mar 14 – Mar 28 | Aug 26 – Sep 16 |
| Broccoli | Feb 14 – Feb 28 | Mar 28 – Apr 11 | — | Jul 29 – Aug 19 |
| Cabbage | Feb 14 – Feb 28 | Mar 21 – Apr 4 | — | Jul 29 – Aug 19 |
| Cauliflower | Feb 14 – Feb 28 | Mar 28 – Apr 11 | — | Jul 29 – Aug 19 |
| Okra | Feb 28 – Mar 14 | May 2 – May 16 | May 2 – May 16 | — |
| Basil | Feb 28 – Mar 14 | Apr 18 – May 2 | — | — |
| Peas | — | — | Feb 28 – Mar 21 | Aug 12 – Sep 2 |
| Spinach | — | — | Feb 28 – Mar 21 | Sep 9 – Sep 30 |
| Radishes | — | — | Mar 7 – Apr 18 | Sep 23 – Oct 14 |
| Cucumbers | Mar 14 – Mar 21 | Apr 25 – May 2 | Apr 18 – May 2 | Aug 19 – Sep 2 |
| Zucchini & Summer Squash | Mar 14 – Mar 21 | — | Apr 18 – May 2 | Aug 26 – Sep 9 |
| Winter Squash & Pumpkins | Mar 14 – Mar 21 | — | Apr 18 – May 2 | — |
| Melons & Watermelon | Mar 14 – Mar 21 | Apr 25 – May 9 | — | — |
| Carrots | — | — | Mar 21 – Apr 18 | Aug 12 – Aug 26 |
| Beets | — | — | Mar 21 – Apr 18 | Aug 26 – Sep 9 |
| Potatoes | — | — | Mar 21 – Apr 11 | — |
| Swiss Chard | — | — | Mar 28 – Apr 25 | Aug 26 – Sep 9 |
| Cilantro | — | — | Mar 28 – Apr 18 | Sep 9 – Sep 30 |
| Green Beans | — | — | Apr 18 – May 9 | Aug 19 – Sep 2 |
| Sweet Corn | — | — | Apr 18 – May 2 | — |
| Sweet Potatoes | — | Apr 25 – May 16 | — | — |
| Garlic | — | — | — | Oct 21 – Nov 25 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Newport State Ap, RI weather station, 4 km away (elevation 171 ft (52 m)).
ZIP codes in Newport: 02840 02841
Frost dates near Newport
- Middletown Apr 11 · Nov 4
- Adamsville Apr 11 · Nov 4
- Jamestown Apr 7 · Nov 13
- Portsmouth Apr 11 · Nov 2
- Little Compton Apr 11 · Nov 4
- Saunderstown Apr 7 · Nov 13
- Narragansett May 1 · Oct 12
- North Kingstown Apr 22 · Oct 20
Frequently asked questions
When is the last frost in Newport, RI?
The median last spring frost in Newport, RI is April 11. There is still about a 10% chance of frost after April 24, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Newport, RI?
The median first fall frost is November 4, with about a 10% chance of frost before October 22.
How long is the growing season in Newport, RI?
About 207 days between the median last spring frost and first fall frost.
What planting zone is Newport, RI?
Newport, RI is in USDA hardiness zone 7a.