Louisiana Gardening Guide (2026)

Hot, humid, hurricane-prone. Warm-season lawns; watch for armyworms and chinch bugs.

Garden countdownToday: Aug 19

USDA 2023 zones + NOAA 1991-2020 frost normals. Estimates — check your local forecast before planting.

USDA hardiness zone
89
Region
Southeast
Typical last spring frost
02/20
Typical first fall frost
11/25
Frost-free season
278 days
Lawn grass type
Warm-season

Quick answer (Louisiana): Most of the state gardens in USDA zones 89 with about a 278-day frost-free window. Plan around the typical last frost of 02/20; start warm-season crops indoors ~6 weeks earlier. Source: USDA Plant Hardiness Zone Map (2023) + state cooperative extension typical freeze dates.

Your Louisiana planting calendar

Pre-filled for Louisiana. Pick a crop to see indoor start, sow/transplant, and harvest dates you can print.

In Louisiana (typical zone 89, last frost ≈ Feb 20, first frost ≈ Nov 25, 278-day season), your Tomato plan:

Start seeds indoors
Jan 9
Sow / transplant outdoors
Mar 6
First harvest
May 15
Spacing / depth
24″ / 0.25

Month-by-month (Louisiana, 2026)

MonthAction
JanStart indoors
Feb
MarSow · Transplant
Apr
MayHarvest
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Start indoors 6 weeks before last frost; transplant after soil warms. Zones 313 suitable. Dates are typical; confirm with your county extension and watch the 10-day forecast.

Lawns in Louisiana

Best grass types for your climate:

BermudagrassZoysiagrassSt. AugustinegrassBuffalograss

Open the lawn care scheduler →

Common pests in Louisiana

The pests most reported in your region, with organic-first treatments:

Fire AntChinch BugFall ArmywormGarden Snail

Fire Ant

Targets
Lawns, beds, people/pets
Signs
Mounded nests; painful sting.
Organic / IPM first
Broadcast beneficial nematodes; boiling water (small mounds); diatomaceous earth.
Chemical option (follow label)
Bait containing spinosad or hydramethylnon; treat entire yard.
Prevention
Two-step bait program in spring and fall; keep lawn healthy.

What grows well in Louisiana

Crops suitable for zones 89:

CropTypeSpacingDays to harvest
TomatoWarm-season2470
PepperWarm-season1875
LettuceCool-season845
CarrotCool-season365
Green BeansWarm-season455
SpinachCool-season640
CucumberWarm-season1255
ZucchiniWarm-season3650
KaleCool-season1255
BroccoliCool-season1870

Figures are typical (30-year normals) from USDA and state extension services. Always confirm your local last/first freeze and product labels with your county extension before acting.