When to plant · 35 cities · zones 5b–7a

When to plant tomatillos in Massachusetts

Start Tomatillo seeds indoors around Mar 16 and transplant around May 4 — the Massachusetts statewide median, counted from a last spring frost of Apr 27 across 539 ZIP codes and 72 NOAA stations.

Mar 16Start indoors6 weeks before last frost
May 4Plant outApr 20 – May 14 across the state
Apr 27Last spring frostmedian · 1 in 10 years after May 11
Jul 13First harvest70 days from transplant

The rule: Six weeks indoors, transplant after the last frost, and give each plant 30 inches and a large cage.

Massachusetts tomatillos, by step

Statewide median last frost Apr 27, first fall frost Oct 14, 2027 season. Each cultivar's own indoor lead time and days to maturity, same engine as the Plan Builder.

CultivarStart indoorsPlant outFirst harvestDays
TomatilloToma VerdeMar 16May 4Jul 1370 from transplant

Tight means first harvest lands within two weeks of the median first fall frost. Statewide dates are the ZIP-weighted median of every NOAA 1991–2020 station Massachusetts's ZIP codes resolve to.

Tomatillos in Massachusetts, city by city

Tomatillo, scheduled from each city's nearest NOAA station — the same dates as its frost page.

CityLast frostStart indoorsPlant outFirst harvest
Bostonzone 7aApr 4Feb 21Apr 11Jun 20
Worcesterzone 6aApr 23Mar 12Apr 30Jul 9
Springfieldzone 6aMay 3Mar 22May 10Jul 19
Cambridgezone 6bApr 19Mar 8Apr 26Jul 5
Lowellzone 6bApr 30Mar 19May 7Jul 16
Brocktonzone 6bApr 22Mar 11Apr 29Jul 8
Lynnzone 7aApr 25Mar 14May 2Jul 11
Quincyzone 7aApr 25Mar 14May 2Jul 11
New Bedfordzone 7aApr 29Mar 18May 6Jul 15
Fall Riverzone 7aApr 29Mar 18May 6Jul 15
Newtonzone 6bApr 19Mar 8Apr 26Jul 5
Lawrencezone 6bApr 13Mar 2Apr 20Jun 29
Somervillezone 7aApr 4Feb 21Apr 11Jun 20
Framinghamzone 6bApr 26Mar 15May 3Jul 12
Haverhillzone 6aMay 1Mar 20May 8Jul 17
Maldenzone 6bApr 4Feb 21Apr 11Jun 20
Walthamzone 6bApr 28Mar 17May 5Jul 14
Tauntonzone 6bApr 22Mar 11Apr 29Jul 8
Reverezone 7aApr 4Feb 21Apr 11Jun 20
Weymouthzone 6bApr 25Mar 14May 2Jul 11
Medfordzone 6bApr 4Feb 21Apr 11Jun 20
Peabodyzone 6bApr 24Mar 13May 1Jul 10
Chicopeezone 6aMay 3Mar 22May 10Jul 19
Methuenzone 6bApr 13Mar 2Apr 20Jun 29
Everettzone 7aApr 4Feb 21Apr 11Jun 20
Barnstablezone 7aApr 16Mar 5Apr 23Jul 2
Attleborozone 6bApr 27Mar 16May 4Jul 13
Salemzone 7aApr 25Mar 14May 2Jul 11
Leominsterzone 6aApr 29Mar 18May 6Jul 15
Woburnzone 6bApr 25Mar 14May 2Jul 11
Beverlyzone 6bMay 4Mar 23May 11Jul 20
Pittsfieldzone 5bMay 5Mar 24May 12Jul 21
Marlboroughzone 6bMay 2Mar 21May 9Jul 18
Fitchburgzone 6aApr 29Mar 18May 6Jul 15
Amherstzone 6aMay 5Mar 24May 12Jul 21

What Massachusetts tomatillos need

SeedsThe cultivar decides the sauce. Everything downstream is damage control.
  • Toma Verde Tomatillo SeedMust have

    Salsa verde is not a green tomato sauce — it is a tomatillo sauce, and the difference is the tartness and the natural pectin that makes it cling. There is no substitute.

StartSoil temperature and light intensity, indoors, weeks before your frost date.
  • Organic Seed Starter Potting MixMust have

    Seed-starting mix is not potting soil with a nicer label — it is finer, lighter, and low in nutrients on purpose, because a seedling's first roots want air and moisture, not fertiliser.

  • Seedling Heat Mat + Digital ThermostatMust have

    Peppers germinate on soil temperature, not air temperature. At 65 °F a habanero takes a month and half of them rot; at 85 °F it is up in eight days. The thermostat is the half that matters.

  • T8 Full-Spectrum Grow Lights, 1 ft 4-packMust have

    A south window in March delivers a fraction of the light a pepper seedling needs, and the plant tells you by stretching. Two inches of LED above the canopy for 16 hours a day fixes it permanently.

GrowRoot volume, nutrition and structure. Where most home crops actually fail.
  • 5-Gallon Fabric Grow Bags, 5-Pack

    Fabric pots air-prune roots and drain faster than a plastic pot can, which is the entire reason container tomatoes fail. Five gallons is the honest minimum for a pepper; a tomato wants ten.

  • Ocean Forest Potting SoilMust have

    Pre-charged with enough nutrition to carry a transplant for its first month without feeding, which is exactly the window when most container plants stall.

  • Organic Tomato-Tone 3-4-6 with 8% CalciumMust have

    The NPK ratio is the point: low nitrogen, higher potassium. Feed a tomato a high-nitrogen lawn fertiliser and you get a magnificent six-foot plant with four tomatoes on it.

  • 58" Square Tomato Cages, 3-PackMust have

    The conical wire tomato ring from the hardware store is 33 inches tall and an indeterminate San Marzano will laugh at it in July. Height and square geometry are what actually hold a loaded plant.

HarvestTiming, handling, and weighing what you actually got.
  • Garden Harvest Basket with Tool Caddy

    A harvest basket that doubles as a colander means the hose rinse happens in the garden, and the dirt stays outside. On a 20-pound tomato day that is a genuine time saving.

CookReduction, texture, and the non-reactive pans that keep tomato tasting like tomato.
  • Stainless Steel Food Mill, 3 discsMust have

    A blender pulverises tomato skins and seeds into the sauce, which is where bitterness comes from. A mill separates them out — no blanching, no peeling, no ice bath. It removes an entire hour from sauce day.

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Tomatillos in Massachusetts: questions

When should I plant tomatillos in Massachusetts?

Transplant around May 4 at the statewide median; across the state that date runs from Apr 20 in the warmest tenth of Massachusetts's ZIP codes to May 14 in the coldest. To cut the freeze risk to one year in ten, count from May 11 instead of the median last frost. Use the city table for your own town.

When do I start tomatillos seeds indoors in Massachusetts?

Around Mar 16 for Tomatillo: 6 weeks before the statewide median last frost, on soil held at 75–85 °F.

When is the last frost in Massachusetts?

The ZIP-weighted median of NOAA 1991–2020 station medians is Apr 27. In the warmest tenth of Massachusetts's ZIP codes the median last frost falls on or before Apr 13; in the coldest tenth, on or after May 7.

When will Massachusetts tomatillos be ready to harvest?

Tomatillo planted on the statewide date is ready around Jul 13: 70 days from transplant.

More for Massachusetts

Tomatillos in every state → · Massachusetts frost dates → · How frost-date math works →