Peppermint is a perennial culinary herb, grown for the flavor it brings to the kitchen, ready to harvest about 90 days after planting. It's hardy across USDA zones 3 through 11, stands up to deer and grows just as well in a container as in the ground. Its summer flowers are a moderate draw for honeybees, native bees, and butterflies, even though the harvest is the prize.
Zones
3-11
pH Range
4.5-8.3
Sun
Full Sun
Days to Maturity
90
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What Peppermint is
Peppermint grows as a perennial and reaches around two feet at maturity. It blooms purple in summer. It's also deer-resistant and well suited to containers.
How to grow Peppermint
Peppermint grows in USDA zones 3 through 11 and is ready to harvest about 90 days after planting. Peppermint does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.5 to 8.3, on well-drained ground. It needs around 900 growing degree days to mature and a growing season of at least 40 frost-free days, which is why climate matters as much as soil.
USDA Zones
3-11
USDA PHZM 2023
Soil pH
4.5 - 8.3
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Frost Tolerance
39.2°F
plant_species_v5.csv
Days to Maturity
90 days
Peppermint; sterile hybrid; propagated by division/cutting only.
USDA-NRCS; UMD-Herb
GDD Required
900+
plant_species_v5.csv
Mature Height
2 ft
plant_species_v5.csv
Frost-Free Days
40+
plant_species_v5.csv
Start the season right
Plant peppermint in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Peppermint prefers pH 4.5 to 8.3 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Peppermint is ready about 90 days after planting (USDA-NRCS; UMD-Herb). Snip sprigs as you need them — regular cutting keeps the foliage tender and slows it bolting to flower.
Good to know
Good news for pet owners — peppermint isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Peppermint offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Peppermint thrives
On hardiness alone, peppermint grows across most of the country — its range (USDA zones 3 through 11) is unusually wide. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 3–11·Where Peppermint growsOpen map →
On USDA hardiness-zone overlap, Peppermint can grow in these states:
See if Peppermint will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether peppermint actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Frequently Asked Questions
Can I grow Peppermint in my zone?
Peppermint grows in USDA hardiness zones 3 through 11 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
How long does Peppermint take to grow?
Peppermint is ready to harvest about 90 days after planting (USDA-NRCS; UMD-Herb). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Peppermint?
Most growers plant peppermint after the last spring frost, once the soil has warmed, leaving enough of the season for its 40-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Peppermint need?
Peppermint needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Peppermint need?
Peppermint prefers soil pH 4.5 to 8.3, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Peppermint attract pollinators?
Yes — peppermint's flowers are a solid nectar source for honeybees, native bees, and butterflies (Xerces Society, Pollinator Partnership).
Is Peppermint safe for pets?
Peppermint is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.