Massachusetts Gardening Guide (2026)

Cool coastal; humid. Cool-season lawn and a 5-month vegetable window.

Garden countdownToday: Aug 19

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

USDA hardiness zone
57
Region
Northeast
Typical last spring frost
04/25
Typical first fall frost
10/15
Frost-free season
173 days
Lawn grass type
Cool-season

Quick answer (Massachusetts): Most of the state gardens in USDA zones 57 with about a 173-day frost-free window. Plan around the typical last frost of 04/25; start warm-season crops indoors ~6 weeks earlier. Source: USDA Plant Hardiness Zone Map (2023) + state cooperative extension typical freeze dates.

Your Massachusetts planting calendar

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

In Massachusetts (typical zone 57, last frost ≈ Apr 25, first frost ≈ Oct 15, 173-day season), your Tomato plan:

Start seeds indoors
Mar 14
Sow / transplant outdoors
May 9
First harvest
Jul 18
Spacing / depth
24″ / 0.25

Month-by-month (Massachusetts, 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 Massachusetts

Best grass types for your climate:

Kentucky BluegrassTall FescuePerennial RyegrassFine Fescue

Open the lawn care scheduler →

Common pests in Massachusetts

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

Japanese BeetleTicksSlugs & SnailsAphids

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 Massachusetts

Crops suitable for zones 57:

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.