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

Planting zone for 76429 — Caddo, TX

ZIP code 76429 (Caddo, Stephens County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 4 and the first fall frost November 3.

Where ZIP 76429 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.

Zone8a10 to 15 °F

Coldest night−12.2 to −9.4 °C

Last frostApr 4

First frostNov 3

2012 zone8a

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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Caddo, 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 Caddo, TX

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostApril 4median — 50% chance of a later frost

Safe for tender plantsApril 22only 10% chance of frost after

First fall frostNovember 3median — 10% chance by Oct 21

Growing season213 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 21 and returns around November 11.

From the NOAA station Breckenridge, TX — 14 miles away, elevation 1,171 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 76429

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 21 – Mar 7

SpinachSow outdoors · Feb 21 – Mar 14

Broccoli, cabbageStart indoors · Jan 24 – Feb 7

Broccoli, cabbageTransplant · Mar 14 – Mar 28

Onion setsPlant outdoors · Mar 7 – Mar 21

PotatoesPlant outdoors · Mar 14 – Mar 28

LettuceSow outdoors · Mar 7 – Mar 21

Carrots, beetsSow outdoors · Mar 14 – Mar 28

TomatoesStart indoors · Feb 7 – Feb 21

TomatoesTransplant · Apr 11 – Apr 25

Peppers, eggplantStart indoors · Jan 24 – Feb 7

Peppers, eggplantTransplant · Apr 18 – May 2

BeansSow outdoors · Apr 11 – Apr 25

Sweet cornSow outdoors · Apr 11 – Apr 25

Cucumbers, squashSow outdoors · Apr 11 – Apr 25

Fall lettuce, spinachSow outdoors · Sep 8 – Sep 22

GarlicPlant cloves · Oct 20 – Nov 24

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 4) and first fall frost (Nov 3) 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 76429 came on Feb 8 — about the same time as the 1991–2020 average (Feb 7).

average
Feb 72026
Feb 8

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 8a in Texas

601 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. 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 Caddo, TX.

Soil in Caddo, TX

The soil mapped at the center of ZIP 76429 is Bonti — stony fine sandy loam, well drained.

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

pH6.5neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter0.75%low — add compost

Hydrologic groupCwater soaks in slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Bonti-Exray-Truce complex, hilly, very stony.

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 76429; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Caddo, TX

Summer high96 °Faverage high, July

Winter low28 °Faverage low, January

Hot days109days a year at 90 °F or more

Freezing nights70nights a year at 32 °F or less

Growing degree days5,869base 50 °F — the season’s usable heat

Longest day14 h 19 mindaylight on June 21

Shortest day9 h 59 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation31.1 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: Breckenridge, TX (14 mi away); precipitation: Strawn 8 Nne, TX (14 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

764758a

Strawn, TX · 12 mi

764248a

Breckenridge, TX · 13 mi

764818a

South Bend, TX · 16 mi

Palo Pinto, TX · 21 mi

Texas planting zones →

Questions about 76429

What planting zone is ZIP code 76429?

ZIP code 76429 (Caddo, TX) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Caddo, TX?

The median last spring frost (32 °F) near 76429 is April 4; after April 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Breckenridge station.

When is the first frost in Caddo, TX?

The median first fall frost near 76429 is November 3, giving a median frost-free growing season of 213 days.

When should I plant tomatoes in 76429?

Start tomato seeds indoors around Feb 7 – Feb 21 and set transplants outside around Apr 11 – Apr 25, one to three weeks after the median last frost.

How much rain and snow does 76429 get?

About 31.1 inches of precipitation a year (NOAA 1991–2020 normals, Strawn 8 Nne station).

How hot do summers get in Caddo, TX?

The average high peaks at 96 °F in July, with about 109 days a year at 90 °F or more.

What kind of soil does 76429 have?

The USDA soil survey maps Bonti at the center of ZIP 76429: stony fine sandy loam, well drained, pH about 6.5 (neutral).

Did spring come early in Caddo, TX in 2026?

Spring leaf-out near 76429 came on Feb 8 in 2026, about the same as the 1991–2020 average (Feb 7), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Caddo, TX?

Intermediate onions: the longest day near 76429 is 14 h 19 min, so day-neutral types bulb best; long-day varieties may not bulb fully.