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

Planting zone for 76006 — Arlington, TX

ZIP code 76006 (Arlington, Tarrant County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 9 and the first fall frost November 20.

Where ZIP 76006 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 9

First frostNov 20

2012 zone8a

Was 8a on the 2012 map — half a zone warmer now. 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 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 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 — 2 miles away, 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 76006

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 76006 came on Feb 7 — 3 days later than the 1991–2020 average (Feb 4).

average
Feb 42026
Feb 7

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.

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 76006 is Trinity — clay, moderately well drained.

TextureClayholds water and nutrients; slow to drain and warm up

pH7.9alkaline; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter2.5%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Trinity clay, 0 to 1 percent slopes, frequently 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 76006; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Arlington, 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 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

Precipitation40.1 inper year, rain and melted snow

Snowfall1 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Arlington Six Flags, TX (2 mi away); precipitation: Arlington Six Flags, TX (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

Fort Worth, TX · 4 mi

760958b

Bedford, TX · 5 mi

All 18 ZIP codes in Arlington → · Texas planting zones →

Questions about 76006

What planting zone is ZIP code 76006?

ZIP code 76006 (Arlington, 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 Arlington, TX?

The median last spring frost (32 °F) near 76006 is March 9; after April 2 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Arlington Six Flags station.

When is the first frost in Arlington, TX?

The median first fall frost near 76006 is November 20, giving a median frost-free growing season of 253 days.

When should I plant tomatoes in 76006?

Start tomato seeds indoors around Jan 12 – Jan 26 and set transplants outside around Mar 16 – Mar 30, one to three weeks after the median last frost.

How much rain and snow does 76006 get?

About 40.1 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Arlington Six Flags station).

How hot do summers get in Arlington, TX?

The average high peaks at 95 °F in August, with about 93 days a year at 90 °F or more.

What kind of soil does 76006 have?

The USDA soil survey maps Trinity at the center of ZIP 76006: clay, moderately well drained, pH about 7.9 (alkaline).

Did spring come early in Arlington, TX in 2026?

Spring leaf-out near 76006 came on Feb 7 in 2026, 3 days later than the 1991–2020 average (Feb 4), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Arlington, TX?

Intermediate onions: the longest day near 76006 is 14 h 19 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 76006 change?

Yes. The 2012 USDA map put 76006 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.