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

Planting zone for 70038 — Boothville, LA

ZIP code 70038 (Boothville, Plaquemines Parish) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.

Where ZIP 70038 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.

Zone10a30 to 35 °F
Coldest night−1.1 to 1.7 °C
Last frostrare
First frostrare
2012 zone9b

Was 9b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 10a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Boothville, 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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Boothville Asos, LA — within 1 mile, elevation 3 ft) the median growing season is 357 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 70038 came on Jan 15 — 7 days earlier than the 1991–2020 average (Jan 22).

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 10a in Louisiana

520 plants native to the lower 48 states, recorded in Louisiana, and rated by the USDA to survive 30 °F or colder — the bottom of zone 10a. Each links to its USDA PLANTS profile.

Trees 69

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Fbald cypress130 ft · blooms mid spring · medium shade tolerance · to −18 °F

Shrubs 109

aloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °F

Wildflowers & perennials 170

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican century plant6 ft · blooms indeterminate · high shade tolerance · to 12 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °F

Grasses 150

American cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fbig cordgrass8 ft · blooms spring · high shade tolerance · to −3 °F

Vines 14

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °F

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 Boothville, LA.

Soil in Boothville, LA

The soil mapped at the center of ZIP 70038 is Cancienne — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH5.7moderately acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter2.25%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Cancienne silt loam, 0 to 1 percent slopes.

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 70038; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Boothville, LA

Summer high89 °Faverage high, July
Winter low48 °Faverage low, January
Hot days37days a year at 90 °F or more
Freezing nights2nights a year at 32 °F or less
Growing degree days7,545base 50 °F — the season’s usable heat
Longest day14 h 01 mindaylight on June 21
Shortest day10 h 16 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation53.9 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 62 °F, low 48 °F 62°48° JanFebruary: average high 65 °F, low 50 °F 65°50° FebMarch: average high 70 °F, low 55 °F 70°55° MarApril: average high 76 °F, low 62 °F 76°62° AprMay: average high 82 °F, low 70 °F 82°70° MayJune: average high 87 °F, low 76 °F 87°76° JunJuly: average high 89 °F, low 78 °F 89°78° JulAugust: average high 89 °F, low 78 °F 89°78° AugSeptember: average high 86 °F, low 76 °F 86°76° SepOctober: average high 79 °F, low 68 °F 79°68° OctNovember: average high 71 °F, low 58 °F 71°58° NovDecember: average high 64 °F, low 51 °F 64°51° Dec

Precipitation by month inches

0″2″4″6″8″January: 4.45 in precipitation 4.5 JanFebruary: 3.00 in precipitation 3.0 FebMarch: 5.23 in precipitation 5.2 MarApril: 4.29 in precipitation 4.3 AprMay: 3.63 in precipitation 3.6 MayJune: 4.60 in precipitation 4.6 JunJuly: 6.38 in precipitation 6.4 JulAugust: 7.22 in precipitation 7.2 AugSeptember: 4.10 in precipitation 4.1 SepOctober: 4.05 in precipitation 4.0 OctNovember: 2.84 in precipitation 2.8 NovDecember: 4.09 in precipitation 4.1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Boothville Asos, LA (within 1 mile); precipitation: Boothville Asos, LA (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

7004110a
Buras, LA · 4 mi
7005010a
Empire, LA · 12 mi
7009110a
Venice, LA · 16 mi
700829b
Pointe A La Hache, LA · 27 mi
700839b
Port Sulphur, LA · 29 mi
700859b
Saint Bernard, LA · 40 mi
700409b
Braithwaite, LA · 42 mi
700929b
Violet, LA · 49 mi

Louisiana planting zones →

Questions about 70038

What planting zone is ZIP code 70038?

ZIP code 70038 (Boothville, LA) is in USDA hardiness zone 10a on the 2023 map: the coldest night of an average winter reaches 30 to 35 °F (−1.1 to 1.7 °C).

How much rain and snow does 70038 get?

About 53.9 inches of precipitation a year (NOAA 1991–2020 normals, Boothville Asos station).

How hot do summers get in Boothville, LA?

The average high peaks at 89 °F in July, with about 37 days a year at 90 °F or more.

What kind of soil does 70038 have?

The USDA soil survey maps Cancienne at the center of ZIP 70038: silt loam, somewhat poorly drained, pH about 5.7 (moderately acidic).

Did spring come early in Boothville, LA in 2026?

Spring leaf-out near 70038 came on Jan 15 in 2026, 7 days earlier than the 1991–2020 average (Jan 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Boothville, LA?

Short-day onions: the longest day near 70038 is 14 h 01 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 70038 change?

Yes. The 2012 USDA map put 70038 in zone 9b; the 2023 map puts it in zone 10a. The newer map uses 1991–2020 data and more weather stations.