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

Planting zone for 77538 — Devers, TX

ZIP code 77538 (Devers, Liberty County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 12 and the first fall frost December 6.

Where ZIP 77538 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 frostFeb 12
First frostDec 6
2012 zone9a

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 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Devers, 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 Devers, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 12median — 50% chance of a later frost
Safe for tender plantsMarch 10only 10% chance of frost after
First fall frostDecember 6median — 10% chance by Nov 16
Growing season302 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 25 and returns around December 31.

From the NOAA station Anahuac, TX — 14 miles away, elevation 23 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 77538

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 1 – Jan 15
SpinachSow outdoors · Jan 1 – Jan 22
Broccoli, cabbageStart indoors · Dec 4 – Dec 18
Broccoli, cabbageTransplant · Jan 22 – Feb 5
Onion setsPlant outdoors · Jan 15 – Jan 29
PotatoesPlant outdoors · Jan 22 – Feb 5
LettuceSow outdoors · Jan 15 – Jan 29
Carrots, beetsSow outdoors · Jan 22 – Feb 5
TomatoesStart indoors · Dec 18 – Jan 1
TomatoesTransplant · Feb 19 – Mar 5
Peppers, eggplantStart indoors · Dec 4 – Dec 18
Peppers, eggplantTransplant · Feb 26 – Mar 12
BeansSow outdoors · Feb 19 – Mar 5
Sweet cornSow outdoors · Feb 19 – Mar 5
Cucumbers, squashSow outdoors · Feb 19 – Mar 5
Fall lettuce, spinachSow outdoors · Oct 11 – Oct 25
GarlicPlant cloves · Nov 22 – Dec 27
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 12) and first fall frost (Dec 6) 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 77538 came on Jan 11 — 14 days earlier than the 1991–2020 average (Jan 25).

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).

Soil in Devers, TX

The soil mapped at the center of ZIP 77538 is Aris — loam, poorly drained.

TextureLoama good balance for most vegetables
pH5.2strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Aris-Levac complex, 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 77538; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Devers, TX

Summer high92 °Faverage high, August
Winter low43 °Faverage low, January
Hot days68days a year at 90 °F or more
Freezing nights11nights a year at 32 °F or less
Growing degree days7,049base 50 °F — the season’s usable heat
Longest day14 h 05 mindaylight on June 21
Shortest day10 h 13 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation59.7 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 62 °F, low 43 °F 62°43° JanFebruary: average high 66 °F, low 47 °F 66°47° FebMarch: average high 71 °F, low 53 °F 71°53° MarApril: average high 77 °F, low 59 °F 77°59° AprMay: average high 83 °F, low 67 °F 83°67° MayJune: average high 89 °F, low 73 °F 89°73° JunJuly: average high 91 °F, low 75 °F 91°75° JulAugust: average high 92 °F, low 74 °F 92°74° AugSeptember: average high 88 °F, low 70 °F 88°70° SepOctober: average high 81 °F, low 60 °F 81°60° OctNovember: average high 72 °F, low 51 °F 72°51° NovDecember: average high 64 °F, low 45 °F 64°45° Dec

Precipitation by month inches

0″2″4″6″8″January: 4.59 in precipitation 4.6 JanFebruary: 3.07 in precipitation 3.1 FebMarch: 3.63 in precipitation 3.6 MarApril: 4.41 in precipitation 4.4 AprMay: 5.39 in precipitation 5.4 MayJune: 5.84 in precipitation 5.8 JunJuly: 5.68 in precipitation 5.7 JulAugust: 7.02 in precipitation 7.0 AugSeptember: 7.02 in precipitation 7.0 SepOctober: 4.75 in precipitation 4.8 OctNovember: 3.85 in precipitation 3.9 NovDecember: 4.47 in precipitation, 0.2 in snowfall 4.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Anahuac, TX (14 mi away); precipitation: Anahuac, TX (14 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

776299a
Nome, TX · 5 mi
775609b
Hankamer, TX · 8 mi
775829a
Raywood, TX · 9 mi
775339a
Daisetta, TX · 9 mi
776139a
China, TX · 10 mi
775979b
Wallisville, TX · 14 mi
776659b
Winnie, TX · 15 mi
776599a
Sour Lake, TX · 15 mi

Texas planting zones →

Questions about 77538

What planting zone is ZIP code 77538?

ZIP code 77538 (Devers, 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 Devers, TX?

The median last spring frost (32 °F) near 77538 is February 12; after March 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Anahuac station.

When is the first frost in Devers, TX?

The median first fall frost near 77538 is December 6, giving a median frost-free growing season of 302 days.

When should I plant tomatoes in 77538?

Start tomato seeds indoors around Dec 18 – Jan 1 and set transplants outside around Feb 19 – Mar 5, one to three weeks after the median last frost.

How much rain and snow does 77538 get?

About 59.7 inches of precipitation a year (NOAA 1991–2020 normals, Anahuac station).

How hot do summers get in Devers, TX?

The average high peaks at 92 °F in August, with about 68 days a year at 90 °F or more.

What kind of soil does 77538 have?

The USDA soil survey maps Aris at the center of ZIP 77538: loam, poorly drained, pH about 5.2 (strongly acidic).

Did spring come early in Devers, TX in 2026?

Spring leaf-out near 77538 came on Jan 11 in 2026, 14 days earlier than the 1991–2020 average (Jan 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Devers, TX?

Short-day onions: the longest day near 77538 is 14 h 05 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.