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

Planting zone for Grand Prairie, TX

Grand Prairie, TX is in USDA zone 8b across its 5 ZIP codes. The median last spring frost is March 9 and the first fall frost November 20.

Grand Prairie on the zone map

Outlined: its 4 ZIP code areas · 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.

Zone8b15 to 20 °F
ZIP codes5
Last frostMar 9
First frostNov 20
Growing season253 days

8b 5 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Grand Prairie, 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 Grand Prairie, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 9median — 50% chance of a later frost
Safe for tender plantsApril 2only 10% chance of frost after
First fall frostNovember 20median — 10% chance by Oct 31
Growing season253 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 26 and returns around December 3.

From the NOAA station Arlington Six Flags, TX, elevation 535 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 Grand Prairie

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 26 – Feb 9
SpinachSow outdoors · Jan 26 – Feb 16
Broccoli, cabbageStart indoors · Dec 29 – Jan 12
Broccoli, cabbageTransplant · Feb 16 – Mar 2
Onion setsPlant outdoors · Feb 9 – Feb 23
PotatoesPlant outdoors · Feb 16 – Mar 2
LettuceSow outdoors · Feb 9 – Feb 23
Carrots, beetsSow outdoors · Feb 16 – Mar 2
TomatoesStart indoors · Jan 12 – Jan 26
TomatoesTransplant · Mar 16 – Mar 30
Peppers, eggplantStart indoors · Dec 29 – Jan 12
Peppers, eggplantTransplant · Mar 23 – Apr 6
BeansSow outdoors · Mar 16 – Mar 30
Sweet cornSow outdoors · Mar 16 – Mar 30
Cucumbers, squashSow outdoors · Mar 16 – Mar 30
Fall lettuce, spinachSow outdoors · Sep 25 – Oct 9
GarlicPlant cloves · Nov 6 – Dec 11
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 9) and first fall frost (Nov 20) 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 75051 came on Feb 7 — 4 days later than the 1991–2020 average (Feb 3).

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 8b in Texas

620 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.

Trees 70

Shrubs 137

Wildflowers & perennials 204

Grasses 188

Vines 14

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 Grand Prairie, TX.

Soil in Grand Prairie, TX

The soil mapped at the center of ZIP 75051 is Ferris — clay, well drained.

TextureClayholds water and nutrients; slow to drain and warm up
pH8.2alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Ferris-Urban land complex, 5 to 12 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 75051; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Grand Prairie, TX

Summer high95 °Faverage high, August
Winter low34 °Faverage low, January
Hot days93days a year at 90 °F or more
Freezing nights37nights a year at 32 °F or less
Growing degree days6,204base 50 °F — the season’s usable heat
Longest day14 h 18 mindaylight on June 21
Shortest day10 h 00 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation40.3 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 55 °F, low 34 °F 55°34° JanFebruary: average high 59 °F, low 38 °F 59°38° FebMarch: average high 67 °F, low 46 °F 67°46° MarApril: average high 74 °F, low 54 °F 74°54° AprMay: average high 82 °F, low 63 °F 82°63° MayJune: average high 90 °F, low 72 °F 90°72° JunJuly: average high 94 °F, low 75 °F 94°75° JulAugust: average high 95 °F, low 74 °F 95°74° AugSeptember: average high 88 °F, low 67 °F 88°67° SepOctober: average high 77 °F, low 55 °F 77°55° OctNovember: average high 65 °F, low 45 °F 65°45° NovDecember: average high 57 °F, low 37 °F 57°37° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.76 in precipitation 2.8 JanFebruary: 2.64 in precipitation 2.6 FebMarch: 3.80 in precipitation 3.8 MarApril: 3.52 in precipitation 3.5 AprMay: 4.84 in precipitation 4.8 MayJune: 3.99 in precipitation 4.0 JunJuly: 2.05 in precipitation 2.0 JulAugust: 2.63 in precipitation 2.6 AugSeptember: 3.25 in precipitation 3.3 SepOctober: 4.76 in precipitation 4.8 OctNovember: 2.95 in precipitation 3.0 NovDecember: 3.11 in precipitation 3.1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Arlington Six Flags, TX (5 mi away); precipitation: Duncanville 3.2 Wnw, TX (5 mi away). Daylight is calculated from latitude.

ZIP codes in Grand Prairie

Texas planting zones →

Questions about Grand Prairie

What planting zone is Grand Prairie, TX?

Grand Prairie, TX is in USDA hardiness zone 8b on the 2023 map (8b: 15 to 20 °F).

When is the last frost in Grand Prairie, TX?

The median last spring frost is March 9 and the median first fall frost is November 20 (NOAA 1991–2020 normals, Arlington Six Flags station).

When can I plant a garden in Grand Prairie, TX?

Cool-season crops like peas and spinach go in around Jan 26 – Feb 16; tomatoes, peppers, beans and squash after about Mar 16, once frost risk has passed.

What kind of onions grow in Grand Prairie, TX?

Intermediate onions: the longest day is 14 h 18 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Grand Prairie, TX get?

About 40.3 inches of precipitation a year (NOAA 1991–2020 normals).