Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 77657 — Lumberton, TX

ZIP code 77657 (Lumberton, Hardin County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 25 and the first fall frost November 30.

Where ZIP 77657 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 25

First frostNov 30

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 Lumberton, 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 Lumberton, TX

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostFebruary 25median — 50% chance of a later frost

Safe for tender plantsMarch 18only 10% chance of frost after

First fall frostNovember 30median — 10% chance by Nov 8

Growing season281 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 5 and returns around December 16.

From the NOAA station Lumberton, TX — 2 miles away, elevation 39 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 77657

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Jan 14 – Jan 28

SpinachSow outdoors · Jan 14 – Feb 4

Broccoli, cabbageStart indoors · Dec 17 – Dec 31

Broccoli, cabbageTransplant · Feb 4 – Feb 18

Onion setsPlant outdoors · Jan 28 – Feb 11

PotatoesPlant outdoors · Feb 4 – Feb 18

LettuceSow outdoors · Jan 28 – Feb 11

Carrots, beetsSow outdoors · Feb 4 – Feb 18

TomatoesStart indoors · Dec 31 – Jan 14

TomatoesTransplant · Mar 4 – Mar 18

Peppers, eggplantStart indoors · Dec 17 – Dec 31

Peppers, eggplantTransplant · Mar 11 – Mar 25

BeansSow outdoors · Mar 4 – Mar 18

Sweet cornSow outdoors · Mar 4 – Mar 18

Cucumbers, squashSow outdoors · Mar 4 – Mar 18

Fall lettuce, spinachSow outdoors · Oct 5 – Oct 19

GarlicPlant cloves · Nov 16 – Dec 21

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 25) and first fall frost (Nov 30) 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 77657 came on Jan 15 — 10 days earlier than the 1991–2020 average (Jan 25).

average
Jan 252026
Jan 15

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.

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 Lumberton, TX.

Soil in Lumberton, TX

The soil mapped at the center of ZIP 77657 is Sorter — very fine sandy loam, poorly drained.

TextureVery fine sandy loamdrains and warms fast; dries out and needs more feeding

pH4.0strongly 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: Sorter-Dallardsville 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 77657; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lumberton, TX

Summer high93 °Faverage high, July

Winter low39 °Faverage low, January

Hot days109days a year at 90 °F or more

Freezing nights24nights a year at 32 °F or less

Growing degree days6,830base 50 °F — the season’s usable heat

Longest day14 h 06 mindaylight on June 21

Shortest day10 h 12 mindaylight on December 21

Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb

Precipitation63.2 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Lumberton, TX (2 mi away); precipitation: Lumberton, TX (2 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.

Texas planting zones →

Questions about 77657

What planting zone is ZIP code 77657?

ZIP code 77657 (Lumberton, 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 Lumberton, TX?

The median last spring frost (32 °F) near 77657 is February 25; after March 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Lumberton station.

When is the first frost in Lumberton, TX?

The median first fall frost near 77657 is November 30, giving a median frost-free growing season of 281 days.

When should I plant tomatoes in 77657?

Start tomato seeds indoors around Dec 31 – Jan 14 and set transplants outside around Mar 4 – Mar 18, one to three weeks after the median last frost.

How much rain and snow does 77657 get?

About 63.2 inches of precipitation a year (NOAA 1991–2020 normals, Lumberton station).

How hot do summers get in Lumberton, TX?

The average high peaks at 93 °F in July, with about 109 days a year at 90 °F or more.

What kind of soil does 77657 have?

The USDA soil survey maps Sorter at the center of ZIP 77657: very fine sandy loam, poorly drained, pH about 4.0 (strongly acidic).

Did spring come early in Lumberton, TX in 2026?

Spring leaf-out near 77657 came on Jan 15 in 2026, 10 days earlier than the 1991–2020 average (Jan 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lumberton, TX?

Short-day onions: the longest day near 77657 is 14 h 06 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.