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

Planting zone for Arlington, TX

Arlington, TX is in USDA zone 8b across its 18 ZIP codes. The median last spring frost is March 9 and the first fall frost November 21.

Arlington on the zone map

Outlined: its 13 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 codes18
Last frostMar 9
First frostNov 21
Growing season256 days

8b 18 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Arlington, 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 Arlington, 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 plantsMarch 28only 10% chance of frost after
First fall frostNovember 21median — 10% chance by Nov 3
Growing season256 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 25 and returns around December 4.

From the NOAA station Arlington Municipal Airport, TX, elevation 630 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 Arlington

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 26 – Oct 10
GarlicPlant cloves · Nov 7 – Dec 12
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 9) and first fall frost (Nov 21) 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 76013 came on Feb 7 — 3 days later than the 1991–2020 average (Feb 4).

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 Arlington, TX.

Soil in Arlington, TX

The soil mapped at the center of ZIP 76013 is Gasil — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Gasil-Urban land complex, 1 to 8 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 76013; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Arlington, TX

Summer high96 °Faverage high, July
Winter low37 °Faverage low, January
Hot days106days a year at 90 °F or more
Freezing nights36nights a year at 32 °F or less
Growing degree days6,643base 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
Precipitation36.2 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 58 °F, low 37 °F 58°37° JanFebruary: average high 62 °F, low 40 °F 62°40° FebMarch: average high 70 °F, low 48 °F 70°48° MarApril: average high 77 °F, low 55 °F 77°55° AprMay: average high 84 °F, low 64 °F 84°64° MayJune: average high 92 °F, low 72 °F 92°72° JunJuly: average high 96 °F, low 75 °F 96°75° JulAugust: average high 96 °F, low 75 °F 96°75° AugSeptember: average high 89 °F, low 68 °F 89°68° SepOctober: average high 79 °F, low 57 °F 79°57° OctNovember: average high 67 °F, low 46 °F 67°46° NovDecember: average high 59 °F, low 39 °F 59°39° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.34 in precipitation 2.3 JanFebruary: 2.63 in precipitation 2.6 FebMarch: 3.37 in precipitation 3.4 MarApril: 3.13 in precipitation 3.1 AprMay: 4.33 in precipitation 4.3 MayJune: 3.54 in precipitation 3.5 JunJuly: 1.70 in precipitation 1.7 JulAugust: 1.68 in precipitation 1.7 AugSeptember: 3.32 in precipitation 3.3 SepOctober: 4.72 in precipitation 4.7 OctNovember: 2.62 in precipitation 2.6 NovDecember: 2.81 in precipitation 2.8 Dec

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

ZIP codes in Arlington

Texas planting zones →

Questions about Arlington

What planting zone is Arlington, TX?

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

When is the last frost in Arlington, TX?

The median last spring frost is March 9 and the median first fall frost is November 21 (NOAA 1991–2020 normals, Arlington Municipal Airport station).

When can I plant a garden in Arlington, 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 Arlington, 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 Arlington, TX get?

About 36.2 inches of precipitation a year (NOAA 1991–2020 normals).