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

Planting zone for Garland, TX

Garland, TX is in USDA zone 8b across its 9 ZIP codes. The median last spring frost is March 7 and the first fall frost November 21.

Garland on the zone map

Outlined: its 5 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 codes9
Last frostMar 7
First frostNov 21
Growing season259 days

8b 9 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Garland, 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 Garland, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 7median — 50% chance of a later frost
Safe for tender plantsMarch 29only 10% chance of frost after
First fall frostNovember 21median — 10% chance by Nov 2
Growing season259 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 24 and returns around December 4.

From the NOAA station Richardson, TX, elevation 679 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 Garland

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 24 – Feb 7
SpinachSow outdoors · Jan 24 – Feb 14
Broccoli, cabbageStart indoors · Dec 27 – Jan 10
Broccoli, cabbageTransplant · Feb 14 – Feb 28
Onion setsPlant outdoors · Feb 7 – Feb 21
PotatoesPlant outdoors · Feb 14 – Feb 28
LettuceSow outdoors · Feb 7 – Feb 21
Carrots, beetsSow outdoors · Feb 14 – Feb 28
TomatoesStart indoors · Jan 10 – Jan 24
TomatoesTransplant · Mar 14 – Mar 28
Peppers, eggplantStart indoors · Dec 27 – Jan 10
Peppers, eggplantTransplant · Mar 21 – Apr 4
BeansSow outdoors · Mar 14 – Mar 28
Sweet cornSow outdoors · Mar 14 – Mar 28
Cucumbers, squashSow outdoors · Mar 14 – Mar 28
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 7) 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 75046 came on Feb 8 — 3 days later than the 1991–2020 average (Feb 5).

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 Garland, TX.

Soil in Garland, TX

The soil mapped at the center of ZIP 75046 is Houston Black — 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 matter3%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Houston Black-Urban land complex, 0 to 4 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 75046; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Garland, TX

Summer high95 °Faverage high, August
Winter low36 °Faverage low, January
Hot days93days a year at 90 °F or more
Freezing nights35nights a year at 32 °F or less
Growing degree days6,359base 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
Precipitation41.9 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 56 °F, low 36 °F 56°36° JanFebruary: average high 60 °F, low 40 °F 60°40° FebMarch: average high 69 °F, low 48 °F 69°48° MarApril: average high 75 °F, low 55 °F 75°55° AprMay: average high 83 °F, low 64 °F 83°64° MayJune: average high 90 °F, low 71 °F 90°71° JunJuly: average high 94 °F, low 75 °F 94°75° JulAugust: average high 95 °F, low 75 °F 95°75° AugSeptember: average high 87 °F, low 67 °F 87°67° SepOctober: average high 78 °F, low 56 °F 78°56° OctNovember: average high 66 °F, low 46 °F 66°46° NovDecember: average high 57 °F, low 38 °F 57°38° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.69 in precipitation 2.7 JanFebruary: 3.06 in precipitation 3.1 FebMarch: 3.71 in precipitation 3.7 MarApril: 3.69 in precipitation 3.7 AprMay: 4.90 in precipitation 4.9 MayJune: 3.89 in precipitation 3.9 JunJuly: 1.87 in precipitation 1.9 JulAugust: 2.24 in precipitation 2.2 AugSeptember: 4.23 in precipitation 4.2 SepOctober: 4.78 in precipitation 4.8 OctNovember: 3.20 in precipitation 3.2 NovDecember: 3.60 in precipitation 3.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Richardson, TX (8 mi away); precipitation: Garland 3.6 Nnw, TX (3 mi away). Daylight is calculated from latitude.

ZIP codes in Garland

Texas planting zones →

Questions about Garland

What planting zone is Garland, TX?

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

When is the last frost in Garland, TX?

The median last spring frost is March 7 and the median first fall frost is November 21 (NOAA 1991–2020 normals, Richardson station).

When can I plant a garden in Garland, TX?

Cool-season crops like peas and spinach go in around Jan 24 – Feb 14; tomatoes, peppers, beans and squash after about Mar 14, once frost risk has passed.

What kind of onions grow in Garland, TX?

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

How much rain and snow does Garland, TX get?

About 41.9 inches of precipitation a year (NOAA 1991–2020 normals).