Laplace, Louisiana, sits in USDA hardiness zones 9a-10b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Reliable performers under these conditions include satsuma orange, okra, pecan, and muscadine grape; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Laplace, 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 Laplace lot. Enter your address and we'll score 1,112 plants 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.
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Quick Facts
USDA Zones
9a-10b
Last Frost (state avg.)
Feb 15 - Mar 15
First Frost (state avg.)
Nov 10 - Dec 10
Town Area
13K acres
Hardiness Zone Range
Growing Season
Zone maps are averages across Laplace. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.
Soil varies lot by lot — soil types explained.
What Grows in Laplace
Plants matched to Laplace's USDA zones 9a-10b — each links to its full growing profile.
Growing Challenges in Louisiana
What an experienced grower plans around here — each one has a move.
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.
For cultivar selection, pest pressure, and planting-time guidance specific to Louisiana, the LSU AgCenter is the authoritative local source.
Environmental Intelligence
Understanding what's nearby helps you make informed decisions about where and how to grow.
Sources Checked
within ~10 miles of Laplace
Severity Distribution
within ~10 miles of Laplace
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Laplace, Toxic Release Inventory runs higher than the national average — 48 sites nearby. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Toxic Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Laplace
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.
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.
25+ data sources analyzed in seconds
Your Specific Parcel Matters
Laplace Average
- ●USDA Zones 9a-10b
- ●Generic soil type for the area
- ●State-average frost dates
YOUR Parcel
- ✓Your exact hardiness zone
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Laplace
Pull a site-specific report for your exact address in Laplace, Louisiana — soil, sun, drainage, frost risk, and scored plant recommendations.
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.
25+ data sources analyzed in seconds
Key Growing Facts for Laplace, Louisiana
- USDA Hardiness Zones: 9a-10b (USDA PHZM 2023)
- Last Spring Frost (state avg.): Feb 15 - Mar 15 (NOAA 30-Year Climate Normals)
- First Fall Frost (state avg.): Nov 10 - Dec 10 (NOAA 30-Year Climate Normals)
- Land Area: 13K acres (US Census TIGER 2025)
Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. Boundaries: US Census TIGER/Line 2025.
Frequently Asked Questions
What hardiness zone is Laplace, Louisiana?
Laplace sits in USDA hardiness zones 9a-10b, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.
When does frost risk typically end in Laplace?
Laplace follows Louisiana's statewide frost window: last spring frost around Feb 15 - Mar 15 and first fall frost around Nov 10 - Dec 10, per NOAA 30-year climate normals (1991–2020). Frost dates shift with elevation and local microclimate, so watch your own site's cold pockets.
What vegetables grow in Laplace?
Laplace's zones 9a-10b support a wide range — strong performers include Satsuma Orange, Okra, Pecan, Muscadine Grape, and Live Oak. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.
Which hardiness zone is Laplace, really?
Officially, Laplace sits in USDA zones 9a-10b (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.
Is the soil safe to grow vegetables in Laplace?
The federal record around Laplace runs heavier than most — 586 documented sites — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Laplace?
As the season closes around Louisiana's first fall frost near Nov 10 - Dec 10 (NOAA 30-year climate normals (1991–2020)), a few moves buy time: cover tender plants with floating row cover or an old sheet on still, clear nights, water the soil the afternoon before a freeze so it holds warmth overnight, and harvest frost-tender crops like tomatoes, peppers, and basil before the first hard night. Hardy greens and root crops shrug off light frost and often sweeten after it, so leave them in.
Everything on this page is a Laplace average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.
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