Timberlane, Louisiana, sits in USDA hardiness zone 9b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
These conditions suit okra, meyer lemon, california poppy, and artichoke — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Timberlane, 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 Timberlane 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 Timberlane — soil, climate, flood, and parcel records. How we handle your address.
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Timberlane — the short answer
Timberlane, Louisiana: USDA zone 9b, about 336 days between hard freezes, across 963 acres of town.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 18
- Jefferson Parish normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 20
- Jefferson Parish normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~336
- Jefferson Parish normal — NOAA 1991–2020, nearest to this town
- Town area
- 963 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 Jefferson Parish’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is Timberlane's average, not your lot's — a low corner or a tree line moves it. Against Timberlane's 336-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Timberlane
Each reading below is measured for Timberlane itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsTimberlane runs about 336 days between hard freezes (read from Jefferson Parish, the closest normal to Timberlane) — 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
MeasuredTimberlane sits in USDA hardiness zone 9b.
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 Timberlane is in
Timberlane sits in the Mississippi Alluvial Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Timberlane's own centroid rather than borrowed from Jefferson Parish.
What Grows in Timberlane
Every plant below cleared Timberlane's own zone 9b and its 336-day season. Each card opens that plant's Louisiana profile. How we score.
Is it too late to plant in Timberlane?
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 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Jan 18 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 20 — 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 Timberlane
Closest first, within ~10 miles of Timberlane. Listing isn't leaking, and distance isn't exposure.
- ABBEY PRESS INCBrownfields · 750 ft
- Walgreen Drug Store 7261Underground Storage Tanks · 1000 ft
- RaceTrac #2469 - LapalcoUnderground Storage Tanks · 1100 ft
- CHEVRON SS 155487Brownfields · 1200 ft
- JENCARE NEIGHBORHOOD MEDICAL CENTER LLCBrownfields · 1300 ft
- Shell StationUnderground Storage Tanks · 1400 ft
- FIRESTONE TIRE & SERVICE,#7720Brownfields · 1500 ft
- Jiffy Lube #503Underground Storage Tanks · 1500 ft
- JIFFY LUBE STORE NO 503Brownfields · 1500 ft
- Thua HoangUnderground Storage Tanks · 1500 ft
- PROFESSIONAL GARMENT CAREBrownfields · 1500 ft
- ABBEY PRESS INC DBA SPRINT PRINTBrownfields · 1600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Timberlane'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 Timberlane.
Sources Checked
within ~10 miles of Timberlane
Severity Distribution
within ~10 miles of Timberlane
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Timberlane, Brownfields runs higher than the national average — 2,257 sites within ~10 miles of Timberlane. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.
Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.
Check your specific parcel in Timberlane
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 Timberlane average
Your land is one point inside Timberlane
Everything above resolves to Timberlane as a whole — one PHZM band, read across 963 acres, with hard-freeze dates borrowed from Jefferson 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 Timberlane Average
Timberlane Average
- ●USDA Zones 9b, averaged across Timberlane
- ●One soil character for all of Timberlane
- ●Frost dates read at Timberlane's scale: Jan 18 to Dec 20
YOUR Parcel
- ✓Your exact zone, not Timberlane's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Timberlane
Pull a site-specific report for your exact address in Timberlane, Louisiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Timberlane averages can't show:
We read public map data around Timberlane — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Timberlane average
How we know this about Timberlane
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 Jefferson 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 Timberlane
When does frost risk typically end in Timberlane?
The last hard freeze (28°F) in Timberlane typically lands around Jan 18, 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 8.
When is the first frost in Timberlane?
The first hard freeze (28°F) in Timberlane typically arrives around Dec 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Dec 6, so the watching starts about Nov 20 — about 336 days after the spring freeze cleared.
How long is the growing season in Timberlane?
Measured between 28°F hard freezes, Timberlane sees about 336 frost-free days — roughly Jan 18 through Dec 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 8 to Dec 6, about 301 days.
Is the soil safe to grow vegetables in Timberlane?
The federal record around Timberlane is a meaningful one — 3,835 documented sites, mostly Brownfields entries (2,257), the nearest Brownfields record about 0.1 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 Timberlane?
From about Nov 20 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 20 (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 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Timberlane's scale — its 9b band and its 336-day season. Your yard writes its own version of Timberlane'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 Timberlane’s own scale
5 of the readings below were taken at Timberlane's own scale — the 963 acres it covers and 3,835 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Timberlane's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 3,835 documented contamination sites on the federal record near Timberlane, the closest Brownfields record about 0.1 miles out from the town centreFederal environmental registers
- Timberlane's boundary and the 963 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~336-day seasonGrowable Ground crop-matching engine
- The ecoregion at Timberlane's own centroid, the Mississippi Alluvial PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Timberlane has no normal of its own, so its county's is the closest measured readfrom Jefferson Parish
- Soil character — no town-scale survey exists, so Timberlane's 963 acres read through its county's SSURGO summaryfrom Jefferson County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Jefferson 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 Jefferson County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Timberlane's 963 acreswhy one lot differs from the next →
- Which side of Timberlane you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 963 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.1 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 Timberlane-wide figureread your own land →