Japanese Mint is grown for its foliage and the structure it brings to a planting. It's hardy across USDA zones 11 through 13 and shrugs off deer. Its spring flowers are a moderate draw for honeybees and native bees.
Zones
11-13
pH Range
4.5-8.3
Sun
Full Sun
Days to Maturity
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Score Japanese Mint on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether japanese mint actually takes — and those shift from one yard to the next. Enter your address and we'll score japanese mint against your land's real conditions.
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See Japanese Mint
What Japanese Mint is
Japanese Mint grows as a perennial. It blooms white in spring. It's also deer-resistant.
How to grow Japanese Mint
Japanese Mint grows in USDA zones 11 through 13. Japanese Mint 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 a growing season of at least 120 frost-free days, which is why climate matters as much as soil.
USDA Zones
11-13
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
37.4°F
plant_species_v5.csv
Frost-Free Days
120+
plant_species_v5.csv
Start the season right
Plant japanese mint in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Japanese Mint 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.
Keep it in good form
Prune japanese mint to shape as it grows; the reward is its foliage and structure, not a harvest, so steady upkeep is the whole job.
Good to know
Good news for pet owners — japanese mint isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Japanese Mint offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Japanese Mint thrives
Japanese Mint is hardy across USDA zones 11 through 13. 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 11–13·Where Japanese Mint growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Japanese Mint can grow in these states:
See if Japanese Mint will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether japanese mint 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 Japanese Mint in my zone?
Japanese Mint grows in USDA hardiness zones 11 through 13 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Japanese Mint?
Most growers plant japanese mint after the last spring frost, once the soil has warmed, leaving enough of the season for its 120-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 Japanese Mint need?
Japanese Mint 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 Japanese Mint need?
Japanese Mint 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 Japanese Mint attract pollinators?
Yes — japanese mint's flowers are a solid nectar source for honeybees and native bees (Xerces Society, Pollinator Partnership).
Is Japanese Mint safe for pets?
Japanese Mint is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.