Mexican Oregano is a perennial culinary herb, grown for the flavor it brings to the kitchen, ready to harvest about 120 days after planting. Notably, it stands up to deer, handles dry spells once it's established, 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
Data not available
pH Range
5.5-7
Sun
Full Sun
Days to Maturity
120
Score Mexican Oregano on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether mexican oregano actually takes — and those shift from one yard to the next. Enter your address and we'll score mexican oregano against your land's real conditions.
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What Mexican Oregano is
Mexican Oregano grows as a perennial and reaches around six feet at maturity. It blooms white in summer. It's also deer-resistant and well suited to containers.
How to grow Mexican Oregano
Mexican Oregano is ready to harvest about 120 days after planting. Mexican Oregano does best in full sun — at least 6 hours of direct sun a day — and soil from pH 5.5 to 7, on well-drained ground. It needs around 3,000 growing degree days to mature, which is why climate matters as much as soil.
USDA Zones
Data not available
USDA PHZM 2023
Soil pH
5.5 - 7
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Days to Maturity
120 days
plant_species_v5.csv
GDD Required
3000+
plant_species_v5.csv
Mature Height
6 ft
plant_species_v5.csv
Frost-Free Days
0+
plant_species_v5.csv
Start the season right
Plant mexican oregano in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Mexican Oregano prefers pH 5.5 to 7 (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
Mexican Oregano is ready about 120 days after planting (University Extension production guides). 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 — mexican oregano isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Mexican Oregano offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Mexican Oregano thrives
Whether mexican oregano thrives on a given site comes down to its soil pH, drainage, sun, and frost dates — the conditions that vary parcel to parcel.
See if Mexican Oregano will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether mexican oregano actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
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Frequently Asked Questions
Can I grow Mexican Oregano in my zone?
Zone data for mexican oregano is being finalized. A Growable Ground report checks your parcel's full suitability against federal soil, climate, and zone data.
How long does Mexican Oregano take to grow?
Mexican Oregano is ready to harvest about 120 days after planting (University Extension production guides). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Mexican Oregano?
Most growers plant mexican oregano after the last spring frost, once the soil has warmed. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Mexican Oregano need?
Mexican Oregano 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 Mexican Oregano need?
Mexican Oregano prefers soil pH 5.5 to 7, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Mexican Oregano attract pollinators?
Yes — mexican oregano's flowers are a solid nectar source for honeybees, native bees, and butterflies (Xerces Society, Pollinator Partnership).
Is Mexican Oregano safe for pets?
Mexican Oregano is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.