Rhode Island Gardening Guide (2026)

Coastal cool; humid. Cool-season turf, maritime moderation.

Garden countdownToday: Aug 19

USDA 2023 zones + NOAA 1991-2020 frost normals. Estimates — check your local forecast before planting.

USDA hardiness zone
67
Region
Northeast
Typical last spring frost
04/20
Typical first fall frost
10/20
Frost-free season
183 days
Lawn grass type
Cool-season

Quick answer (Rhode Island): Most of the state gardens in USDA zones 67 with about a 183-day frost-free window. Plan around the typical last frost of 04/20; start warm-season crops indoors ~6 weeks earlier. Source: USDA Plant Hardiness Zone Map (2023) + state cooperative extension typical freeze dates.

Your Rhode Island planting calendar

Pre-filled for Rhode Island. Pick a crop to see indoor start, sow/transplant, and harvest dates you can print.

In Rhode Island (typical zone 67, last frost ≈ Apr 20, first frost ≈ Oct 20, 183-day season), your Tomato plan:

Start seeds indoors
Mar 9
Sow / transplant outdoors
May 4
First harvest
Jul 13
Spacing / depth
24″ / 0.25

Month-by-month (Rhode Island, 2026)

MonthAction
Jan
Feb
MarStart indoors
Apr
MaySow · Transplant
Jun
JulHarvest
Aug
Sep
Oct
Nov
Dec

Start indoors 6 weeks before last frost; transplant after soil warms. Zones 313 suitable. Dates are typical; confirm with your county extension and watch the 10-day forecast.

Lawns in Rhode Island

Best grass types for your climate:

Kentucky BluegrassTall FescuePerennial RyegrassFine Fescue

Open the lawn care scheduler →

Common pests in Rhode Island

The pests most reported in your region, with organic-first treatments:

Japanese BeetleTicksSlugs & Snails

Japanese Beetle

Targets
Roses, grapes, beans, basil, lawns
Signs
Metallic green-bronze beetles skeletonizing leaves; grubs in turf.
Organic / IPM first
Hand-pick into soapy water; milky spore and beneficial nematodes for grubs; neem.
Chemical option (follow label)
Carbaryl or imidacloprid (follow label); treat grubs in late summer.
Prevention
Row covers early season; avoid trapping lures that attract more.

What grows well in Rhode Island

Crops suitable for zones 67:

CropTypeSpacingDays to harvest
TomatoWarm-season2470
PepperWarm-season1875
LettuceCool-season845
CarrotCool-season365
Green BeansWarm-season455
SpinachCool-season640
CucumberWarm-season1255
ZucchiniWarm-season3650
KaleCool-season1255
BroccoliCool-season1870

Figures are typical (30-year normals) from USDA and state extension services. Always confirm your local last/first freeze and product labels with your county extension before acting.