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

Planting zone for 75928 — Bon Wier, TX

ZIP code 75928 (Bon Wier, Newton County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 1 and the first fall frost November 25.

Where ZIP 75928 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.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostMar 1
First frostNov 25
2012 zone8b

Was 8b 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 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Bon Wier, TX…

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 Bon Wier, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 1median — 50% chance of a later frost
Safe for tender plantsMarch 25only 10% chance of frost after
First fall frostNovember 25median — 10% chance by Nov 8
Growing season269 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 12 and returns around December 7.

From the NOAA station De Ridder, LA — 28 miles away, elevation 190 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 75928

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 18 – Feb 1
SpinachSow outdoors · Jan 18 – Feb 8
Broccoli, cabbageStart indoors · Dec 21 – Jan 4
Broccoli, cabbageTransplant · Feb 8 – Feb 22
Onion setsPlant outdoors · Feb 1 – Feb 15
PotatoesPlant outdoors · Feb 8 – Feb 22
LettuceSow outdoors · Feb 1 – Feb 15
Carrots, beetsSow outdoors · Feb 8 – Feb 22
TomatoesStart indoors · Jan 4 – Jan 18
TomatoesTransplant · Mar 8 – Mar 22
Peppers, eggplantStart indoors · Dec 21 – Jan 4
Peppers, eggplantTransplant · Mar 15 – Mar 29
BeansSow outdoors · Mar 8 – Mar 22
Sweet cornSow outdoors · Mar 8 – Mar 22
Cucumbers, squashSow outdoors · Mar 8 – Mar 22
Fall lettuce, spinachSow outdoors · Sep 30 – Oct 14
GarlicPlant cloves · Nov 11 – Dec 16
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 1) and first fall frost (Nov 25) 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 75928 came on Jan 11 — 15 days earlier than the 1991–2020 average (Jan 26).

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 9a in Texas

640 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.

Trees 72

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °FArizona cypress50 ft · blooms spring · low shade tolerance · to −23 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °F

Shrubs 141

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Faloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °FAmerican snowbell10 ft · blooms spring · medium shade tolerance · to −16 °F

Wildflowers & perennials 208

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican 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 licorice4 ft · blooms late spring · medium shade tolerance · to −38 °F

Grasses 196

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °FArizona cottontop4 ft · blooms late summer · high shade tolerance · to −13 °FArizona fescue2 ft · blooms late spring · high shade tolerance · to −23 °FArizona threeawn2 ft · blooms mid summer · high shade tolerance · to −3 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °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 Bon Wier, TX.

Soil in Bon Wier, TX

The soil mapped at the center of ZIP 75928 is Gallime — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classprime farmlandUSDA classification

Map unit: Gallime-Spurger association, gently undulating.

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 75928; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Bon Wier, TX

Summer high93 °Faverage high, August
Winter low39 °Faverage low, January
Hot days89days a year at 90 °F or more
Freezing nights26nights a year at 32 °F or less
Growing degree days6,625base 50 °F — the season’s usable heat
Longest day14 h 08 mindaylight on June 21
Shortest day10 h 10 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation62.8 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 61 °F, low 39 °F 61°39° JanFebruary: average high 65 °F, low 43 °F 65°43° FebMarch: average high 72 °F, low 49 °F 72°49° MarApril: average high 78 °F, low 55 °F 78°55° AprMay: average high 85 °F, low 64 °F 85°64° MayJune: average high 91 °F, low 70 °F 91°70° JunJuly: average high 92 °F, low 73 °F 92°73° JulAugust: average high 93 °F, low 72 °F 93°72° AugSeptember: average high 89 °F, low 67 °F 89°67° SepOctober: average high 80 °F, low 57 °F 80°57° OctNovember: average high 70 °F, low 47 °F 70°47° NovDecember: average high 62 °F, low 40 °F 62°40° Dec

Precipitation by month inches

0″2″4″6″January: 5.72 in precipitation 5.7 JanFebruary: 4.45 in precipitation 4.5 FebMarch: 4.33 in precipitation 4.3 MarApril: 4.98 in precipitation 5.0 AprMay: 4.64 in precipitation 4.6 MayJune: 6.69 in precipitation 6.7 JunJuly: 4.94 in precipitation 4.9 JulAugust: 5.71 in precipitation 5.7 AugSeptember: 5.16 in precipitation 5.2 SepOctober: 5.30 in precipitation 5.3 OctNovember: 5.16 in precipitation 5.2 NovDecember: 5.73 in precipitation 5.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: De Ridder, LA (28 mi away); precipitation: Kirbyville 1.5 Se, TX (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9a.

706539a
Merryville, LA · 9 mi
759339a
Call, TX · 10 mi
759669a
Newton, TX · 11 mi
759569a
Kirbyville, TX · 16 mi
706609a
Singer, LA · 16 mi
706619a
Starks, LA · 22 mi
776129a
Buna, TX · 23 mi
706399a
Evans, LA · 25 mi

Texas planting zones →

Questions about 75928

What planting zone is ZIP code 75928?

ZIP code 75928 (Bon Wier, TX) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Bon Wier, TX?

The median last spring frost (32 °F) near 75928 is March 1; after March 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, De Ridder station.

When is the first frost in Bon Wier, TX?

The median first fall frost near 75928 is November 25, giving a median frost-free growing season of 269 days.

When should I plant tomatoes in 75928?

Start tomato seeds indoors around Jan 4 – Jan 18 and set transplants outside around Mar 8 – Mar 22, one to three weeks after the median last frost.

How much rain and snow does 75928 get?

About 62.8 inches of precipitation a year (NOAA 1991–2020 normals, Kirbyville 1.5 Se station).

How hot do summers get in Bon Wier, TX?

The average high peaks at 93 °F in August, with about 89 days a year at 90 °F or more.

What kind of soil does 75928 have?

The USDA soil survey maps Gallime at the center of ZIP 75928: fine sandy loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Bon Wier, TX in 2026?

Spring leaf-out near 75928 came on Jan 11 in 2026, 15 days earlier than the 1991–2020 average (Jan 26), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Bon Wier, TX?

Short-day onions: the longest day near 75928 is 14 h 08 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 75928 change?

Yes. The 2012 USDA map put 75928 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.