Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 71019 — Coushatta, LA

ZIP code 71019 (Coushatta, Red River County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 24 and the first fall frost November 7.

Where ZIP 71019 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 24
First frostNov 7
2012 zone8b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Coushatta, LA…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Coushatta, LA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 24median — 50% chance of a later frost
Safe for tender plantsApril 16only 10% chance of frost after
First fall frostNovember 7median — 10% chance by Oct 22
Growing season229 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 7 and returns around November 19.

From the NOAA station Ashland, LA — 13 miles away, elevation 240 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 71019

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 10 – Feb 24
SpinachSow outdoors · Feb 10 – Mar 3
Broccoli, cabbageStart indoors · Jan 13 – Jan 27
Broccoli, cabbageTransplant · Mar 3 – Mar 17
Onion setsPlant outdoors · Feb 24 – Mar 10
PotatoesPlant outdoors · Mar 3 – Mar 17
LettuceSow outdoors · Feb 24 – Mar 10
Carrots, beetsSow outdoors · Mar 3 – Mar 17
TomatoesStart indoors · Jan 27 – Feb 10
TomatoesTransplant · Mar 31 – Apr 14
Peppers, eggplantStart indoors · Jan 13 – Jan 27
Peppers, eggplantTransplant · Apr 7 – Apr 21
BeansSow outdoors · Mar 31 – Apr 14
Sweet cornSow outdoors · Mar 31 – Apr 14
Cucumbers, squashSow outdoors · Mar 31 – Apr 14
Fall lettuce, spinachSow outdoors · Sep 12 – Sep 26
GarlicPlant cloves · Oct 24 – Nov 28
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 24) and first fall frost (Nov 7) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 71019 came on Feb 8 — 6 days later than the 1991–2020 average (Feb 2).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 8b in Louisiana

503 plants native to the lower 48 states, recorded in Louisiana, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.

Trees 68

Shrubs 105

Wildflowers & perennials 165

Grasses 145

Vines 14

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Coushatta, LA.

Soil in Coushatta, LA

The soil mapped at the center of ZIP 71019 is Shatta — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter1.75%low — add compost
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classprime farmlandUSDA classification

Map unit: Shatta association, gently sloping.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 71019; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Coushatta, LA

Summer high93 °Faverage high, August
Winter low34 °Faverage low, January
Hot days78days a year at 90 °F or more
Freezing nights51nights a year at 32 °F or less
Growing degree days5,845base 50 °F — the season’s usable heat
Longest day14 h 15 mindaylight on June 21
Shortest day10 h 03 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation58.2 inper year, rain and melted snow
Snowfall1 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 58 °F, low 34 °F 58°34° JanFebruary: average high 62 °F, low 38 °F 62°38° FebMarch: average high 69 °F, low 45 °F 69°45° MarApril: average high 76 °F, low 51 °F 76°51° AprMay: average high 83 °F, low 61 °F 83°61° MayJune: average high 89 °F, low 67 °F 89°67° JunJuly: average high 92 °F, low 71 °F 92°71° JulAugust: average high 93 °F, low 70 °F 93°70° AugSeptember: average high 88 °F, low 63 °F 88°63° SepOctober: average high 78 °F, low 52 °F 78°52° OctNovember: average high 68 °F, low 42 °F 68°42° NovDecember: average high 59 °F, low 36 °F 59°36° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 5.45 in precipitation, 0.2 in snowfall 5.5 JanFebruary: 5.23 in precipitation, 0.3 in snowfall 5.2 FebMarch: 5.44 in precipitation 5.4 MarApril: 5.23 in precipitation 5.2 AprMay: 4.71 in precipitation 4.7 MayJune: 5.27 in precipitation 5.3 JunJuly: 4.66 in precipitation 4.7 JulAugust: 3.69 in precipitation 3.7 AugSeptember: 3.62 in precipitation 3.6 SepOctober: 3.98 in precipitation 4.0 OctNovember: 4.89 in precipitation 4.9 NovDecember: 6.01 in precipitation, 0.1 in snowfall 6.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Ashland, LA (13 mi away); precipitation: Hanna 4 Sse, LA (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

Louisiana planting zones →

Questions about 71019

What planting zone is ZIP code 71019?

ZIP code 71019 (Coushatta, LA) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Coushatta, LA?

The median last spring frost (32 °F) near 71019 is March 24; after April 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Ashland station.

When is the first frost in Coushatta, LA?

The median first fall frost near 71019 is November 7, giving a median frost-free growing season of 229 days.

When should I plant tomatoes in 71019?

Start tomato seeds indoors around Jan 27 – Feb 10 and set transplants outside around Mar 31 – Apr 14, one to three weeks after the median last frost.

How much rain and snow does 71019 get?

About 58.2 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Hanna 4 Sse station).

How hot do summers get in Coushatta, LA?

The average high peaks at 93 °F in August, with about 78 days a year at 90 °F or more.

What kind of soil does 71019 have?

The USDA soil survey maps Shatta at the center of ZIP 71019: silt loam, moderately well drained, pH about 5.3 (strongly acidic).

Did spring come early in Coushatta, LA in 2026?

Spring leaf-out near 71019 came on Feb 8 in 2026, 6 days later than the 1991–2020 average (Feb 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Coushatta, LA?

Short-day onions: the longest day near 71019 is 14 h 15 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.