peppermint (Mentha × piperita), photographi

Can I Grow Peppermint in Vermont?

USDA Zones 4a-6a · Plant zone range 3-11

Yes — Strong Match

peppermint is grown in zones 3-11, which covers every zone Vermont contains (4a-6a). Whether the season is long enough is the question that remains.

Peppermint in Vermont — the short answer

Peppermint in Vermont: grown in zones 3–11, full sun.

Plant zones
3-11
Not verified — NC State Extension Gardener Plant Toolbox lists zones 5a–9b
Vermont zones
4a-6a
USDA PHZM 2023
Frost window
Apr 27 - May 5 – Oct 10 - Oct 17
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
146 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
90 days
Growable Ground Plant Database

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.

Score your parcel · free to start

Your yard isn't the whole zone.

Vermont spans zones 4a-6a, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score peppermint against your parcel's actual hardiness, soil, and sun.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your parcel report in seconds — read in full free for your first 14 days

peppermint (Mentha × piperita), photograph
Photo: Friederike Hoffmann · CC BY · via GBIF

Vermont is not one climate

A single Vermont answer averages 14 counties whose growing seasons are 44 days apart — from 146 frost-free days in Essex County to 190 in Grand Isle County. Which end of that your land sits nearer changes what peppermint can finish before the first hard freeze.

146 daysEssex County190 daysGrand Isle County

The middle half of 14 counties runs 158–173 days, with a median of 161 days — a 44-day span end to end.

Measured across 14 Vermont counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.

Where in Vermont Fits Best

Even within Vermont's zones 4a-6a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for peppermint (USDA PHZM 2023):

Zone Comparison

Peppermint Needs

  • USDA Zones: 3-11
  • Sun: Full Sun
  • Mature size: 2 ft tallWe haven't confirmed this against a published source yet.
  • Picking window: ~150 days of harvestWe haven't confirmed this against a published source yet.
  • Drought tolerance: LowWe haven't confirmed this against a published source yet.

Vermont Has

  • USDA Zones: 4a-6a
  • Last Hard Freeze (28°F): Apr 27 - May 5
  • First Hard Freeze (28°F): Oct 10 - Oct 17
  • Annual Rainfall: 34-44 inches
  • Common Soils: Glacial till, Clay, Silt loam

Plant Zone Range (zones 3-11)

3a
11b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 4.5 – 8.3

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Peppermint in Vermont

The frost window

Across Vermont, the last spring hard freeze (28°F) clears between Apr 27 and May 5, and the first fall hard freeze lands between Oct 10 and Oct 17 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 158-day window you can count on — up to 173 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.

Winter standing

Vermont runs as cold as USDA zone 4, and no sourced winter-hardiness floor is on record for peppermint, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether peppermint is a permanent planting or a replant-every-spring crop for you turns on your own zone within Vermont; check its hardiness range against that before treating it as long-lived ground.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Growing Season Fit

Peppermint is grown in zones 3–11, which covers every zone Vermont contains (4a-6a). We have no sourced winter-survival figure for peppermint, so this page does not say whether it overwinters here. Vermont's typical season runs ~163 frost-free days against the ~40 peppermint needs.

Growing degree days

Peppermint needs ~900 GDD (base 50°F) to ripen. We haven't confirmed this against a published source yet. The state median runs ~1746 GDD (from PRISM 1991-2020 climate normals), so Vermont's typical season clears that easily.

GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.

Soil + Drainage Fit

Peppermint tolerates a wide pH range (pH 4.5-8.3) — 3.8 units, acid ground through alkaline — so soil acidity is rarely what limits it in Vermont. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 5.5 and 6.5 — worth knowing before you decide whether a Vermont soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Vermont site is heavier clay or sits in a low spot, a raised bed lifts the roots above wet ground, or work in compost. Drainage need: We haven't confirmed this against a published source yet.

Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. Vermont soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Before you plant peppermint for food

Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before peppermint goes in. What follows is Vermont’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.

Safe to Grow Here?

What the federal record shows across Vermont — and how to grow with it.

Federal record: High

We checked the federal record across Vermont — 4,466 documented sites across 7 of the 8 source types we track.

The most significant on record: 41 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Vermont carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds of imported, lab-tested soil grow well almost anywhere in the meantime.

Know before you grow — the guide

Sources Checked

across Vermont

Severity Distribution

across Vermont

High36Moderate1,205Low3,225

Highest-Severity Sites

Mining Sites · Past Producer
Superfund · Superfund NPL
PFAS Sampling · PFAS Detected
Superfund · Superfund NPL
Superfund · Superfund NPL

A note from Gnorman

What an experienced grower watches for around here

In and around Vermont, Brownfields runs higher than the national average — 597 sites across Vermont. That's not a problem with your land — it's information about it.

Brownfields: Brownfield sites are former commercial or industrial properties that EPA’s Brownfields program (ACRES) has assessed or funded cleanup on.

Contact the EPA Brownfields program or the state cleanup agency for this site’s actual assessment/remediation status — ACRES itself does not publish one we can read per site.

Sources: EPA, USGS — 950K documented sites tracked nationwide across 8 federal source types.

What Else to Consider for Peppermint in Vermont

The zone range tells you where peppermint is grown — but Vermont growers also need to think about:

Short growing season (100-130 frost-free days)

Rocky soils throughout the Green Mountains

Heavy clay in the Champlain Valley

What to actually do about these — and the constraints that apply to every Vermont grower, not just peppermint — is covered on the Vermont growing guide.

Where in Vermont Peppermint Is Zone-Hardy

Peppermint is rated for USDA zones 3–11. Every one of Vermont’s 14 counties sits inside that band — from Caledonia County at zone 4b to Windsor County at zone 5b — so winter cold is not what decides this plant anywhere in the state. What is left to vary is your own parcel: slope, shelter and cold-air drainage routinely move a site half a zone either way from the county figure.

Across those 14 counties Vermont’s winter-low ladder runs from zone 4b in Caledonia County to zone 5b in Windsor County — 1 USDA zone of spread, which is 10°F between the two counties’ average coldest night of the year. That is why a statewide hardiness answer is where you start and not where you finish.

The planting window moves with it. Essex County holds its last hard freeze (28°F) until about May 13, while Grand Isle County is clear by Apr 20 — 23 days apart. Set peppermint out on your county’s date, not the state’s.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F killing freeze — earlier than the folk 32°F "last frost". Peppermint’s zone 3–11 band: Not verified — NC State Extension Gardener Plant Toolbox lists zones 5a–9b. A parcel report resolves your address’s own zone and frost dates rather than its county’s.

Pollinator + Wildlife Value

Peppermint draws honeybees, native bees, and butterflies (moderate value). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, peppermint can only work that bloom inside Vermont's frost window — roughly 163 days, opening after the last 28°F freeze (Apr 27 - May 5) and closing at the first (Oct 10 - Oct 17), per NOAA Regional Climate Centers ACIS, 1991-2020. Pollinator value: We haven't confirmed this against a published source yet.

Vermont Cooperative Extension

For Vermont-specific cultivar recommendations, planting calendars, and pest pressure for peppermint, the canonical source is UVM Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Common Questions About Growing Peppermint in Vermont

When can I plant Peppermint in Vermont?

Vermont's last spring hard freeze (28°F) clears between Apr 27 and May 5, and the first fall hard freeze lands between Oct 10 and Oct 17 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Peppermint, so this page does not state whether it overwinters in Vermont and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.

What hardiness zone is Peppermint grown in across Vermont?

Vermont spans USDA hardiness zones 4a-6a (USDA ARS PHZM 2023). Peppermint carries a range of zones 3-11, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical Vermont site have?

A typical Vermont site sees ~163 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Peppermint needs 40+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.

How should I amend the soil for Peppermint in Vermont?

Peppermint tolerates pH 4.5-8.3 and well (dry spells) drainage. We haven't confirmed this against a published source yet. That is a 3.8-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Vermont site — amend for drainage and organic matter first.

Will Peppermint actually grow on my specific land in Vermont?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores peppermint against your address's mapped soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free to start

Check your specific parcel in Vermont

State-level data is a sketch. Your Growable Ground report scores peppermint against your land's mapped soil, modelled sun, drainage, and frost data — not zone averages.

Three things about your lot that Vermont peppermint averages can't show:

Your soil pHYour frost-free days — Vermont averages 163Your sun & shade

We read public map data around Vermont — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Vermont peppermint average

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