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

Planting zone for 75039 — Irving, TX

ZIP code 75039 (Irving, Dallas County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 8 and the first fall frost November 24.

Where ZIP 75039 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.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 8
First frostNov 24
2012 zone8b

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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Irving, 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 Irving, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 8median — 50% chance of a later frost
Safe for tender plantsMarch 26only 10% chance of frost after
First fall frostNovember 24median — 10% chance by Nov 6
Growing season262 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 25 and returns around December 7.

From the NOAA station Dallas Ft Worth Airport, TX — 5 miles away, elevation 561 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 75039

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 25 – Feb 8
SpinachSow outdoors · Jan 25 – Feb 15
Broccoli, cabbageStart indoors · Dec 28 – Jan 11
Broccoli, cabbageTransplant · Feb 15 – Mar 1
Onion setsPlant outdoors · Feb 8 – Feb 22
PotatoesPlant outdoors · Feb 15 – Mar 1
LettuceSow outdoors · Feb 8 – Feb 22
Carrots, beetsSow outdoors · Feb 15 – Mar 1
TomatoesStart indoors · Jan 11 – Jan 25
TomatoesTransplant · Mar 15 – Mar 29
Peppers, eggplantStart indoors · Dec 28 – Jan 11
Peppers, eggplantTransplant · Mar 22 – Apr 5
BeansSow outdoors · Mar 15 – Mar 29
Sweet cornSow outdoors · Mar 15 – Mar 29
Cucumbers, squashSow outdoors · Mar 15 – Mar 29
Fall lettuce, spinachSow outdoors · Sep 29 – Oct 13
GarlicPlant cloves · Nov 10 – Dec 15
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 8) and first fall frost (Nov 24) 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 75039 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

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 137

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 204

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 188

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 Irving, TX.

Soil in Irving, TX

The soil mapped at the center of ZIP 75039 is Arents — variable, well drained.

TextureVariabletop layer
DrainageWell drainednatural drainage class
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Arents, loamy, hilly, rarely flooded.

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 75039; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Irving, TX

Summer high96 °Faverage high, July
Winter low36 °Faverage low, January
Hot days106days a year at 90 °F or more
Freezing nights29nights a year at 32 °F or less
Growing degree days6,602base 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
Precipitation37 inper year, rain and melted snow
Snowfall2 inper year; 1 days with snow on the ground

Average high and low, by month

30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 57 °F, low 36 °F 57°36° JanFebruary: average high 61 °F, low 40 °F 61°40° FebMarch: average high 69 °F, low 48 °F 69°48° MarApril: average high 76 °F, low 55 °F 76°55° AprMay: average high 84 °F, low 65 °F 84°65° MayJune: average high 92 °F, low 72 °F 92°72° JunJuly: average high 96 °F, low 76 °F 96°76° JulAugust: average high 96 °F, low 76 °F 96°76° AugSeptember: average high 89 °F, low 69 °F 89°69° SepOctober: average high 78 °F, low 57 °F 78°57° OctNovember: average high 67 °F, low 46 °F 67°46° NovDecember: average high 58 °F, low 38 °F 58°38° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.53 in precipitation, 0.1 in snowfall 2.5 JanFebruary: 2.76 in precipitation, 1 in snowfall 2.8❄1 FebMarch: 3.30 in precipitation, 0.3 in snowfall 3.3 MarApril: 3.22 in precipitation 3.2 AprMay: 4.78 in precipitation 4.8 MayJune: 3.70 in precipitation 3.7 JunJuly: 2.08 in precipitation 2.1 JulAugust: 2.18 in precipitation 2.2 AugSeptember: 2.72 in precipitation 2.7 SepOctober: 4.37 in precipitation 4.4 OctNovember: 2.53 in precipitation 2.5 NovDecember: 2.84 in precipitation, 0.2 in snowfall 2.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Dallas Ft Worth Airport, TX (5 mi away); precipitation: Dallas Ft Worth Airport, TX (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

750158b
Irving, TX · 2 mi
750168b
Irving, TX · 2 mi
750388b
Irving, TX · 3 mi
750628b
Irving, TX · 3 mi
750648b
Irving, TX · 3 mi
752208b
Dallas, TX · 4 mi
752348b
Dallas, TX · 4 mi
750638b
Irving, TX · 4 mi

All 12 ZIP codes in Irving → · Texas planting zones →

Questions about 75039

What planting zone is ZIP code 75039?

ZIP code 75039 (Irving, TX) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Irving, TX?

The median last spring frost (32 °F) near 75039 is March 8; after March 26 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Dallas Ft Worth Airport station.

When is the first frost in Irving, TX?

The median first fall frost near 75039 is November 24, giving a median frost-free growing season of 262 days.

When should I plant tomatoes in 75039?

Start tomato seeds indoors around Jan 11 – Jan 25 and set transplants outside around Mar 15 – Mar 29, one to three weeks after the median last frost.

How much rain and snow does 75039 get?

About 37 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Dallas Ft Worth Airport station).

How hot do summers get in Irving, TX?

The average high peaks at 96 °F in July, with about 106 days a year at 90 °F or more.

What kind of soil does 75039 have?

The USDA soil survey maps Arents at the center of ZIP 75039: variable, well drained.

Did spring come early in Irving, TX in 2026?

Spring leaf-out near 75039 came on Feb 7 in 2026, 4 days later than the 1991–2020 average (Feb 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Irving, TX?

Intermediate onions: the longest day near 75039 is 14 h 19 min, so day-neutral types bulb best; long-day varieties may not bulb fully.