Conditional — Some Areas
plantain (zones 9-11) reaches only part of Alabama (7b-9b): zone 9 are in range, so where you are in the state decides it.
Your yard isn't the whole zone.
Alabama spans zones 7b-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 plantain against your land's actual soil, sun, and frost.
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Zone Comparison
Plantain Needs
- USDA Zones: 9-11
- Mature size: 15 ft tall
- Drought tolerance: Low
Alabama Has
- USDA Zones: 7b-9b
- Last Hard Freeze (28°F): Feb 24 - Mar 16
- First Hard Freeze (28°F): Nov 15 - Nov 28
- Annual Rainfall: 50-65 inches
- Common Soils: Red clay, Sandy loam, Alluvial
Plant Zone Range (zones 9-11)
Plant data: USDA PLANTS Database / Growable Ground plant catalog. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Plantain in Alabama
The frost window
Across Alabama, the last spring hard freeze (28°F) clears between Feb 24 and Mar 16, and the first fall hard freeze lands between Nov 15 and Nov 28 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 244-day window you can count on — up to 277 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.
Days to maturity vs. the window
At 300 days to maturity (USDA PLANTS Database), even Alabama's kindest 277-day season runs short — challenging without season extension. An indoor start plus row cover on both shoulders of the season closes the gap.
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
The zone check says plantain survives winter in part of Alabama, not across all of it. Whether the season is long enough — and warm enough — is a different question.
Days to maturity
Plantain matures in ~300 days (Growable Ground Plant Database). A typical Alabama site has ~266 frost-free days, so tight — start indoors or use season-extension to close the gap.
Growing degree days
Plantain needs ~5000 GDD (base 50°F) to ripen. The state median runs ~5383 GDD (from PRISM 1991-2020 climate normals), so Alabama sits right at the threshold — pay attention to siting and microclimate.
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.
Plantain in Alabama — Quick Answer
- Verdict: Conditional — Some Areas
- Plant Zones: 9-11 (USDA PLANTS Database)
- State Zones: 7b-9b (USDA ARS PHZM 2023)
- Growing Season: 28°F hard freezes about Feb 24 - Mar 16 to Nov 15 - Nov 28 (NOAA Regional Climate Centers ACIS, 1991-2020)
- Days to Maturity: 300 days
What Else to Consider for Plantain in Alabama
Zone compatibility tells you about winter cold survival — but Alabama growers also need to think about:
Heavy clay soils in the Piedmont region
High humidity promotes fungal diseases
Fire ants are a persistent garden pest
What to actually do about these — and the constraints that apply to every Alabama grower, not just plantain — is covered on the Alabama growing guide.
Timing shifts within Alabama
Plantain needs about 300 days of frost-free season from planting to harvest. No Alabama county gives it that outdoors: even Mobile County, the state’s longest season at 297 frost-free days, falls 3 days short — so it needs transplants, a short-season variety, or covered growing.
Across Alabama’s 67 counties the frost-free season runs from 225 days in Marion County to 297 days in Mobile County — a spread of 72 days, which is why a single statewide planting date misleads. The median Alabama county sees 266 frost-free days, which is 34 days short of what plantain needs — so on a typical Alabama parcel this is a transplant-or-protect crop, not a direct-sow one.
County last-freeze dates and frost-free day counts: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). Plantain's 300-day requirement: USDA PLANTS / Growable Ground plant database (days to maturity). A parcel report resolves your address's own frost dates.
Where in Alabama Fits Best
Even within Alabama's zones 7b-9b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for plantain (USDA PHZM 2023):
Pollinator + Wildlife Value
Plantain draws hummingbirds (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, plantain can only work that bloom inside Alabama's frost window — roughly 266 days, opening after the last 28°F freeze (Feb 24 - Mar 16) and closing at the first (Nov 15 - Nov 28), per NOAA Regional Climate Centers ACIS, 1991-2020.
Alabama Cooperative Extension
For Alabama-specific cultivar recommendations, planting calendars, and pest pressure for plantain, the canonical source is Alabama Cooperative Extension System. Their fact sheets carry the local trial data we can't generalize across 50 states.
Common Questions About Growing Plantain in Alabama
When can I plant Plantain in Alabama?
Alabama's last spring hard freeze (28°F) clears between Feb 24 and Mar 16, and the first fall hard freeze lands between Nov 15 and Nov 28 (NOAA Regional Climate Centers ACIS, 1991-2020). Time outdoor planting to after the last hard freeze for your specific site — a further two to three weeks for anything tender — and count back from those dates for transplant scheduling.
Can Plantain mature before first frost in Alabama?
Plantain needs 300 days to mature (USDA PLANTS Database), and even Alabama's longest typical season runs 277 days (NOAA Regional Climate Centers ACIS, 1991-2020) — challenging without season extension. An indoor start plus row cover on both season shoulders closes the gap.
What hardiness zone is Plantain grown in across Alabama?
Alabama spans USDA hardiness zones 7b-9b (USDA ARS PHZM 2023). Plantain carries a range of zones 9-11, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Alabama site have?
A typical Alabama site sees ~266 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Plantain should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Will Plantain actually grow on my specific land in Alabama?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores plantain 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 Alabama
State-level data is a sketch. Your Growable Ground report scores plantain against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that Alabama plantain averages can't show:
We read public map data around Alabama — soil, climate, flood, and parcel records. How we handle your address.
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