Addis, Louisiana, sits in USDA hardiness zone 9a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Growers here do well with artichoke, fig, california poppy, and cabbage — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Addis, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Addis lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Addis — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Addis — the short answer
Addis, Louisiana: USDA zone 9a, about 303 days between hard freezes, across 3K acres of town.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 6
- West Baton Rouge Parish normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 6
- West Baton Rouge Parish normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~303
- West Baton Rouge Parish normal — NOAA 1991–2020, nearest to this town
- Town area
- 3K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are West Baton Rouge Parish’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Addis's average, not your lot's — a low corner or a tree line moves it. Against Addis's 303-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Addis
Each reading below is measured for Addis itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsAddis runs about 303 days between hard freezes (read from West Baton Rouge Parish, the closest normal to Addis) — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredAddis sits in USDA hardiness zone 9a.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Addis is in
Addis sits in the Mississippi Alluvial Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Addis's own centroid rather than borrowed from West Baton Rouge Parish.
What Grows in Addis
Every plant below cleared Addis's own zone 9a and its 303-day season. Each card opens that plant's Louisiana profile. How we score.
Is it too late to plant in Addis?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Jan 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 6 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.
What's on the federal record near Addis
Closest first, within ~10 miles of Addis. Listing isn't leaking, and distance isn't exposure.
- Shaw SSS Fabricators Inc - Addis FacilityUnderground Storage Tanks · 1500 ft
- FAMILY & OCCUPATIONAL MEDICAL CNTRBrownfields · 2000 ft
- Dickie's Sportsmans Center IncUnderground Storage Tanks · 2100 ft
- Clovis Hendry Industries IncUnderground Storage Tanks · 2100 ft
- Race Trac #2487 - Cajun AddisUnderground Storage Tanks · 2500 ft
- J & S AUTOMOTIVE LLCBrownfields · 2600 ft
- SHAW SSS FABRICATORSBrownfields · 0.6 mi
- SHAW SSS FABRICATORSToxics Release Inventory · 0.6 mi
- C&C FarmsUnderground Storage Tanks · 0.7 mi
- Pit Stop Food StoreUnderground Storage Tanks · 0.7 mi
- WBR-175Nitrate · 0.7 mi
- WBR-145Nitrate · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Addis's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Addis.
Sources Checked
within ~10 miles of Addis
Severity Distribution
within ~10 miles of Addis
Highest-Severity Sites
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.
Check your specific parcel in Addis
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Addis average
Your land is one point inside Addis
Everything above resolves to Addis as a whole — one PHZM band, read across 3K acres, with hard-freeze dates borrowed from West Baton Rouge Parish’s record because no 30-year normal resolves at this town’s own centroid. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Addis Average
Addis Average
- ●USDA Zones 9a, averaged across Addis
- ●One soil character for all of Addis
- ●Frost dates read at Addis's scale: Feb 6 to Dec 6
YOUR Parcel
- ✓Your exact zone, not Addis's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Addis
Pull a site-specific report for your exact address in Addis, Louisiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Addis averages can't show:
We read public map data around Addis — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Addis average
How we know this about Addis
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at West Baton Rouge Parish’s record, because none resolves here; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Addis
When does frost risk typically end in Addis?
The last hard freeze (28°F) in Addis typically lands around Feb 6, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Feb 27.
When is the first frost in Addis?
The first hard freeze (28°F) in Addis typically arrives around Dec 6, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 22, so the watching starts about Nov 6 — about 303 days after the spring freeze cleared.
How long is the growing season in Addis?
Measured between 28°F hard freezes, Addis sees about 303 frost-free days — roughly Feb 6 through Dec 6, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 27 to Nov 22, about 268 days.
Is the soil safe to grow vegetables in Addis?
The federal record around Addis is a meaningful one — 1,604 documented sites, mostly Brownfields entries (691), the nearest Underground Storage Tanks record about 0.3 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Addis?
From about Nov 6 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Dec 6 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Dec 6. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Addis's scale — its 9a band and its 303-day season. Your yard writes its own version of Addis's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Addis’s own scale
5 of the readings below were taken at Addis's own scale — the 2,691 acres it covers and 1,604 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Addis's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 1,604 documented contamination sites on the federal record near Addis, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Addis's boundary and the 2,691 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~303-day seasonGrowable Ground crop-matching engine
- The ecoregion at Addis's own centroid, the Mississippi Alluvial PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Addis has no normal of its own, so its county's is the closest measured readfrom West Baton Rouge Parish
- Soil character — no town-scale survey exists, so Addis's 2,691 acres read through its county's SSURGO summaryfrom West Baton Rouge County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom West Baton Rouge County
- The growing challenges every Louisiana grower plans around — written at state scale, so they stay on the state guidefrom Louisiana
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom West Baton Rouge County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Addis's 2,691 acreswhy one lot differs from the next →
- Which side of Addis you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,691 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Addis-wide figureread your own land →
More in Louisiana
Growing region
Nearby growing guides