malabar spinach (Basella alba), photographi

Can I Grow Malabar Spinach in Louisiana?

USDA Zones 8b-10b · Plant zone range 7-11

Yes — Strong Match

malabar spinach (zones 7-11) covers every zone Louisiana contains (8b-10b), so hardiness is not what limits it anywhere in the state.

Malabar Spinach in Louisiana — the short answer

Malabar Spinach in Louisiana: hardy in zones 7–11, full sun, against a state median of ~298 frost-free days.

Plant zones
7-11
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
Louisiana zones
8b-10b
USDA PHZM 2023
Frost window
Jan 30 - Feb 17 – Nov 30 - Dec 8
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
265 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
55 days
Growable Ground Plant Database

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.

Score your parcel · free

Your yard isn't the whole zone.

Louisiana spans zones 8b-10b, 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 malabar spinach against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Louisiana is not one climate

A single Louisiana answer averages 64 counties whose growing seasons are 100 days apart — from 265 frost-free days in Claiborne County to 365 in Plaquemines County. Which end of that your land sits nearer changes what malabar spinach can finish before the first hard freeze.

265 daysClaiborne County365 daysPlaquemines County

The middle half of 64 counties runs 285313 days, with a median of 298 days — a 100-day span end to end.

Measured across 64 Louisiana counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.

Where in Louisiana Fits Best

Even within Louisiana's zones 8b-10b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for malabar spinach (USDA PHZM 2023):

Zone Comparison

Malabar Spinach Needs

  • USDA Zones: 7-11
  • Frost-Free Days: 55+
  • Sun: Full Sun
  • Mature size: 10 ft tall
  • Picking window: ~45 days of harvest
  • Drought tolerance: Medium

Louisiana Has

  • USDA Zones: 8b-10b
  • Last Hard Freeze (28°F): Jan 30 - Feb 17
  • First Hard Freeze (28°F): Nov 30 - Dec 8
  • Annual Rainfall: 50-65 inches
  • Common Soils: Alluvial clay, Muck, Sandy loam

Plant Zone Range (zones 7-11)

7a
11b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 4.37.5

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Malabar Spinach in Louisiana

The frost window

Across Louisiana, the last spring hard freeze (28°F) clears between Jan 30 and Feb 17, and the first fall hard freeze lands between Nov 30 and Dec 8 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 286-day window you can count on — up to 312 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.

When to start the seed

Those dates are when malabar spinach goes out, not when it starts. It is sown under cover about 4 weeks ahead, so counting back from Louisiana's late-side last freeze of Feb 17 is what fixes your sowing date — and a yard that clears frost earlier than the state's late date starts earlier still.

Days to maturity vs. the window

At 55 days to maturity (Growable Ground Plant Database), counting from the last hard freeze it ripens with 231 days to spare even in Louisiana's tightest freeze scenario — room for a later start or a second sowing.

Timing tuned to sub-state frost dates — Claiborne County, not the statewide average.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. 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 malabar spinach survives winter here. Whether the season is long enough — and warm enough — is a different question.

Frost-free days

Malabar Spinach wants 55+ frost-free days; a typical Louisiana site sees ~298 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.

Growing degree days

Malabar Spinach needs ~2000 GDD (base 50°F) to ripen. The state median runs ~6204 GDD (from PRISM 1991-2020 climate normals), so Louisiana's typical season clears that easily.

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.

Soil + Drainage Fit

Malabar Spinach tolerates a wide pH range (pH 4.3-7.5) — 3.2 units, acid ground through alkaline — so soil acidity is rarely what limits it in Louisiana. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 5.5 and 7 — worth knowing before you decide whether a Louisiana soil test result is a problem or just a number. 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.

Your land, not the state average

Whether malabar spinach is safe to eat from Louisiana soil is a block-by-block question, not a town-wide one — 47,113 documented contamination sites mean levels spike on some parcels and not the one next door. Malabar Spinach roots to about 7 inches, so it is the top 7 inches under your address that decide what it takes up, so only a test on your address settles it.

Check your parcel → Source: USDA NRCS SSURGO + EPA/state contamination databases.

Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. Louisiana soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Before you plant malabar spinach for food

Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before malabar spinach goes in. What follows is Louisiana’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.

Safe to Grow Here?

What the federal record shows across Louisiana — and how to grow with it.

Federal record: High

We checked the federal record across Louisiana47,113 documented sites across 7 of the 9 source types we track.

The most significant on record: 168 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Louisiana carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.

Know before you grow — the guide

Sources Checked

across Louisiana

Severity Distribution

across Louisiana

High220Moderate16,118Low30,775

Highest-Severity Sites

PFAS Sampling · PFAS Detected
Superfund · Superfund NPL
Superfund · Superfund NPL
Superfund · Superfund NPL
PFAS Sampling · PFAS Detected

Know Before You Grow

  • Near a brownfield, raised beds of imported soil give your food clean ground.
  • Underground tanks leak petroleum as they age — near a former filling station, test the soil.
  • On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.

Sources: EPA, USGS1.8M documented sites tracked nationwide across 9 federal source types.

What Else to Consider for Malabar Spinach in Louisiana

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

Poor drainage in delta and coastal areas

Hurricane damage risk from June through November

Growing malabar spinach here specifically

Because you eat the leaves of malabar spinach that sit in the soil, contamination matters more than for most crops — Louisiana has 47,113 documented sites, and lead concentrates block by block, not town-wide.

Test your soil for lead first, and raise malabar spinach in clean imported soil if the reading is high. How to handle it →

What to actually do about these — and the constraints that apply to every Louisiana grower, not just malabar spinach — is covered on the Louisiana growing guide.

Timing shifts within Louisiana

Louisiana isn't one climate. In Claiborne County, the last hard freeze (28°F) holds until about Mar 2 — roughly 19 days later than the recorded state median — so plant malabar spinach to your county's window, not the statewide date.

Malabar Spinach needs about 55 days of frost-free season to complete its cycle. Even Claiborne County — Louisiana’s shortest season at 265 frost-free days — clears that by 210 days, so season length isn’t the constraint anywhere in Louisiana. What varies is your own parcel.

Across Louisiana’s 64 counties the frost-free season runs from 265 days in Claiborne County to 365 days in Plaquemines County — a spread of 100 days, which is why a single statewide planting date misleads. The median Louisiana county sees 298 frost-free days, leaving malabar spinach about 243 days of slack on a typical parcel — room for a second sowing where the season runs long.

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"). Malabar Spinach's 55-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.

Pollinator + Wildlife Value

Malabar Spinach draws honeybees (low value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, malabar spinach can only work that bloom inside Louisiana's frost window — roughly 298 days, opening after the last 28°F freeze (Jan 30 - Feb 17) and closing at the first (Nov 30 - Dec 8), per NOAA Regional Climate Centers ACIS, 1991-2020.

Louisiana Cooperative Extension

For Louisiana-specific cultivar recommendations, planting calendars, and pest pressure for malabar spinach, the canonical source is LSU AgCenter. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Malabar Spinach native to Louisiana?

No — the USDA PLANTS Database lists Malabar Spinach as introduced rather than native in the Lower 48, so it is not part of Louisiana's native flora. It grows here as a garden plant; pairing it with a few Louisiana natives keeps local pollinators fed too.

Looking for plants that belong here? The Louisiana growing guide lists USDA-documented natives for the state.

Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.

Common Questions About Growing Malabar Spinach in Louisiana

When can I plant Malabar Spinach in Louisiana?

Louisiana's last spring hard freeze (28°F) clears between Jan 30 and Feb 17, and the first fall hard freeze lands between Nov 30 and Dec 8 (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 Malabar Spinach mature before first frost in Louisiana?

Yes — Malabar Spinach matures in 55 days (Growable Ground Plant Database), and Louisiana's dependable hard-freeze-free window runs 286 days (NOAA Regional Climate Centers ACIS, 1991-2020), leaving 231 days of margin. Plant once the last hard freeze has passed — two to three weeks later for anything tender — and it ripens ahead of the first fall freeze.

What hardiness zone is Malabar Spinach grown in across Louisiana?

Louisiana spans USDA hardiness zones 8b-10b (USDA ARS PHZM 2023). Malabar Spinach carries a range of zones 7-11, 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 ~298 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Malabar Spinach needs 55+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Claiborne, the freeze-free season runs shorter than the state average, so verify your own county's window.

Is Malabar Spinach native to Louisiana?

No — the USDA PLANTS Database lists Malabar Spinach as introduced rather than native in the Lower 48, so it is not part of Louisiana's native flora. It grows here as a garden plant; pairing it with a few Louisiana natives keeps local pollinators fed too.

How should I amend the soil for Malabar Spinach in Louisiana?

Malabar Spinach tolerates pH 4.3-7.5 and well (dry spells) drainage (FAO ECOCROP). That is a 3.2-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Louisiana site — amend for drainage and organic matter first.

Will Malabar Spinach actually grow on my specific land in Louisiana?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores malabar spinach against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free Report

Check your specific parcel in Louisiana

State-level data is a sketch. Your Growable Ground report scores malabar spinach against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that Louisiana malabar spinach averages can't show:

Your soil pHYour frost-free days — Louisiana averages 298Your sun & shade

We read public map data around Louisiana — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Louisiana malabar spinach average

Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →

Cite this dataset

Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643

Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643

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