Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for Pawtucket, RI

Pawtucket, RI is in USDA zone 7a across its 3 ZIP codes. The median last spring frost is April 22 and the first fall frost October 19.

Pawtucket on the zone map

Outlined: its 2 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7a0 to 5 °F
ZIP codes3
Last frostApr 22
First frostOct 19
Growing season179 days

7a 3 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pawtucket, RI…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Pawtucket, RI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 22median — 50% chance of a later frost
Safe for tender plantsMay 6only 10% chance of frost after
First fall frostOctober 19median — 10% chance by Oct 5
Growing season179 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 7 and returns around October 31.

From the NOAA station Woonsocket, RI, elevation 112 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in Pawtucket

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 11 – Mar 25
SpinachSow outdoors · Mar 11 – Apr 1
Broccoli, cabbageStart indoors · Feb 11 – Feb 25
Broccoli, cabbageTransplant · Apr 1 – Apr 15
Onion setsPlant outdoors · Mar 25 – Apr 8
PotatoesPlant outdoors · Apr 1 – Apr 15
LettuceSow outdoors · Mar 25 – Apr 8
Carrots, beetsSow outdoors · Apr 1 – Apr 15
TomatoesStart indoors · Feb 25 – Mar 11
TomatoesTransplant · Apr 29 – May 13
Peppers, eggplantStart indoors · Feb 11 – Feb 25
Peppers, eggplantTransplant · May 6 – May 20
BeansSow outdoors · Apr 29 – May 13
Sweet cornSow outdoors · Apr 29 – May 13
Cucumbers, squashSow outdoors · Apr 29 – May 13
Fall lettuce, spinachSow outdoors · Aug 24 – Sep 7
GarlicPlant cloves · Oct 5 – Nov 9
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 22) and first fall frost (Oct 19) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 02862 came on Apr 2 — about the same time as the 1991–2020 average (Apr 3).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 7a in Rhode Island

465 plants native to the lower 48 states, recorded in Rhode Island, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 56

Shrubs 95

Wildflowers & perennials 160

Grasses 132

Vines 8

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Pawtucket, RI.

Soil in Pawtucket, RI

The soil mapped at the center of ZIP 02862 is Udorthents — sandy loam. Much of the area is built over (urban land); this is the natural soil underneath.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH4.8strongly acidic; most vegetables like 6.0–7.0
Organic matter3%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 02862; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pawtucket, RI

Summer high84 °Faverage high, July
Winter low22 °Faverage low, January
Hot days12days a year at 90 °F or more
Freezing nights109nights a year at 32 °F or less
Growing degree days3,090base 50 °F — the season’s usable heat
Longest day15 h 14 mindaylight on June 21
Shortest day9 h 08 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation50.6 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 38 °F, low 22 °F 38°22° JanFebruary: average high 41 °F, low 24 °F 41°24° FebMarch: average high 48 °F, low 30 °F 48°30° MarApril: average high 59 °F, low 40 °F 59°40° AprMay: average high 69 °F, low 49 °F 69°49° MayJune: average high 78 °F, low 59 °F 78°59° JunJuly: average high 84 °F, low 65 °F 84°65° JulAugust: average high 82 °F, low 64 °F 82°64° AugSeptember: average high 75 °F, low 57 °F 75°57° SepOctober: average high 64 °F, low 45 °F 64°45° OctNovember: average high 53 °F, low 36 °F 53°36° NovDecember: average high 43 °F, low 28 °F 43°28° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.14 in precipitation 4.1 JanFebruary: 3.44 in precipitation 3.4 FebMarch: 5.20 in precipitation 5.2 MarApril: 4.55 in precipitation 4.5 AprMay: 3.52 in precipitation 3.5 MayJune: 4.42 in precipitation 4.4 JunJuly: 3.35 in precipitation 3.4 JulAugust: 3.71 in precipitation 3.7 AugSeptember: 4.26 in precipitation 4.3 SepOctober: 4.88 in precipitation 4.9 OctNovember: 4.30 in precipitation 4.3 NovDecember: 4.86 in precipitation 4.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Providence T F Green Airport, RI (10 mi away); precipitation: Rehoboth 2.1 N, MA (5 mi away). Daylight is calculated from latitude.

ZIP codes in Pawtucket

Rhode Island planting zones →

Questions about Pawtucket

What planting zone is Pawtucket, RI?

Pawtucket, RI is in USDA hardiness zone 7a on the 2023 map (7a: 0 to 5 °F).

When is the last frost in Pawtucket, RI?

The median last spring frost is April 22 and the median first fall frost is October 19 (NOAA 1991–2020 normals, Woonsocket station).

When can I plant a garden in Pawtucket, RI?

Cool-season crops like peas and spinach go in around Mar 11 – Apr 1; tomatoes, peppers, beans and squash after about Apr 29, once frost risk has passed.

What kind of onions grow in Pawtucket, RI?

Long-day onions: the longest day is 15 h 14 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Pawtucket, RI get?

About 50.6 inches of precipitation a year (NOAA 1991–2020 normals).