Conditional — Some Areas
catmint (zones 3-8) has limited zone overlap with Louisiana (8a-9b). Only zones 8-8 in the state are suitable.
Your yard isn't the whole zone.
Louisiana spans zones 8a-9b, but your yard has its own microclimate — slope, trees, and low spots shift frost and sun across a single parcel. Enter your address and we'll score catmint against your land's actual soil, sun, and frost.
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Zone Comparison
Catmint Needs
- USDA Zones: 3-8
- Soil pH: 4.9 - 7.5
- Sun: Full Sun
- Drainage: well (dry spells)
- Frost-Free Days: 150+
Louisiana Has
- USDA Zones: 8a-9b
- Last Frost: Feb 15 - Mar 15
- First Frost: Nov 10 - Dec 10
- Annual Rainfall: 50-65 inches
- Common Soils: Alluvial clay, Muck, Sandy loam
Plant Zone Range (zones 3-8)
Preferred Soil pH
Plant data: USDA PLANTS Database / plant_species_v5.csv. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Catmint in Louisiana
The frost window
Across Louisiana, the last spring frost clears between Feb 15 and Mar 15, and the first fall frost lands between Nov 10 and Dec 10 (NOAA Climate Normals 1991-2020). Counting from the latest last frost to the earliest first frost, that's a 240-day window you can count on — up to 298 days on a mild site in a kind year.
Frost tenderness
Catmint is frost-tender — its listed minimum temperature is 39.2°F (USDA PLANTS Database) — so set plants out after the last frost has cleared your local site, not the state's earliest date.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: USDA PLANTS Database. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.
Growing Season Fit
Zone compatibility says you can survive winter here. Whether the growing season is long enough — and warm enough — is a different question.
Frost-free days
Catmint wants 150+ frost-free days; a typical Louisiana site sees ~320 (NOAA Climate Normals). That leaves comfortable headroom for succession planting.
Climate aggregates derive from USDA NRCS county-level hardiness data + Cornell CALS Extension GDD-by-region tables + MSU Extension chill-hours-by-zone (1991-2020 NOAA Climate Normals baseline).
Soil + Drainage Fit
Catmint likes near-neutral soil (pH 4.9-7.5). That's the common-ground band across Louisiana's alluvial clay and muck — a soil test confirms it for your site. Drainage matters: this plant wants well (dry spells). If your Louisiana site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Plant pH and drainage requirements from USDA PLANTS Database. Louisiana soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Catmint in Louisiana — Quick Answer
- Verdict: Conditional — Some Areas
- Plant Zones: 3-8 (USDA PLANTS Database)
- State Zones: 8a-9b (USDA ARS PHZM 2023)
- Growing Season: Feb 15 - Mar 15 to Nov 10 - Dec 10 (NOAA Climate Normals)
What Else to Consider
Zone compatibility tells you about winter cold survival — but Louisiana growers also need to think about:
Extreme humidity and rainfall promote rot and fungal diseases
Raised rows, morning base-watering, and generous spacing keep the wet at bay — extension's resistant-variety lists do the rest.
Poor drainage in delta and coastal areas
Where ground stays wet, grow up — mounded rows and raised beds keep roots breathing through the wettest months.
Hurricane damage risk from June through November
Wind-tough perennials, proper staking, and fall crops in movable containers take the sting out of storm season.
Pollinator + Wildlife Value
Catmint draws pollinators (high value, USDA PLANTS Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Deer pressure is meaningful across much of Louisiana; catmint is listed as deer-resistant (USDA PLANTS Database), which makes it a safer pick for unfenced sites. Our deer & wildlife guide carries the full deer-resistant list and how to protect the rest.
Louisiana Cooperative Extension
For Louisiana-specific cultivar recommendations, planting calendars, and pest pressure for catmint, the canonical source is LSU AgCenter. Their fact sheets carry the local trial data we can't generalize across 50 states.
Common Questions About Growing Catmint in Louisiana
When can I plant Catmint in Louisiana?
Louisiana's last spring frost clears between Feb 15 and Mar 15, and the first fall frost lands between Nov 10 and Dec 10 (NOAA Climate Normals 1991-2020). Catmint is frost-tender — its listed minimum temperature is 39.2°F (USDA PLANTS Database) — so wait until the last frost has cleared your specific site before planting out.
What hardiness zone is Catmint grown in across Louisiana?
Louisiana spans USDA hardiness zones 8a-9b (USDA ARS PHZM 2023). Catmint carries a range of zones 3-8, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Louisiana site have?
A typical Louisiana site sees ~320 frost-free days per year (derived from NOAA Climate Normals 1991-2020). Catmint needs 150+ 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 Catmint in Louisiana?
Catmint prefers pH 4.9-7.5 and well (dry spells) drainage (USDA PLANTS Database). That sits in the common-ground band across Louisiana soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.
Will Catmint actually grow on my specific land in Louisiana?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores catmint against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Louisiana
State-level data is a sketch. Your Growable Ground report scores catmint against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
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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