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

Planting zone for Marshall, TX

Marshall, TX is in USDA zone 8b across its 3 ZIP codes. The median last spring frost is March 20 and the first fall frost November 11.

Marshall on the zone map

Outlined: its 3 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 codes3
Last frostMar 20
First frostNov 11
Growing season233 days

8b 3 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Marshall, 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 Marshall, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 20median — 50% chance of a later frost
Safe for tender plantsApril 7only 10% chance of frost after
First fall frostNovember 11median — 10% chance by Oct 27
Growing season233 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 5 and returns around November 24.

From the NOAA station Marshall, TX, elevation 302 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 Marshall

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 6 – Feb 20
SpinachSow outdoors · Feb 6 – Feb 27
Broccoli, cabbageStart indoors · Jan 9 – Jan 23
Broccoli, cabbageTransplant · Feb 27 – Mar 13
Onion setsPlant outdoors · Feb 20 – Mar 6
PotatoesPlant outdoors · Feb 27 – Mar 13
LettuceSow outdoors · Feb 20 – Mar 6
Carrots, beetsSow outdoors · Feb 27 – Mar 13
TomatoesStart indoors · Jan 23 – Feb 6
TomatoesTransplant · Mar 27 – Apr 10
Peppers, eggplantStart indoors · Jan 9 – Jan 23
Peppers, eggplantTransplant · Apr 3 – Apr 17
BeansSow outdoors · Mar 27 – Apr 10
Sweet cornSow outdoors · Mar 27 – Apr 10
Cucumbers, squashSow outdoors · Mar 27 – Apr 10
Fall lettuce, spinachSow outdoors · Sep 16 – Sep 30
GarlicPlant cloves · Oct 28 – Dec 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 20) and first fall frost (Nov 11) 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 75671 came on Feb 8 — 4 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 Marshall, TX.

Soil in Marshall, TX

The soil mapped at the center of ZIP 75671 is Scottsville — very fine sandy loam, moderately well drained.

TextureVery fine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Scottsville-Latex complex, 0 to 2 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 75671; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Marshall, TX

Summer high94 °Faverage high, July
Winter low33 °Faverage low, January
Hot days83days a year at 90 °F or more
Freezing nights39nights a year at 32 °F or less
Growing degree days5,876base 50 °F — the season’s usable heat
Longest day14 h 17 mindaylight on June 21
Shortest day10 h 01 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation51.3 inper year, rain and melted snow
Snowfall1 inper year; 1 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 57 °F, low 33 °F 57°33° JanFebruary: average high 62 °F, low 37 °F 62°37° FebMarch: average high 69 °F, low 44 °F 69°44° MarApril: average high 76 °F, low 51 °F 76°51° AprMay: average high 83 °F, low 60 °F 83°60° MayJune: average high 90 °F, low 68 °F 90°68° JunJuly: average high 94 °F, low 71 °F 94°71° JulAugust: average high 94 °F, low 70 °F 94°70° AugSeptember: average high 88 °F, low 64 °F 88°64° SepOctober: average high 78 °F, low 52 °F 78°52° OctNovember: average high 67 °F, low 42 °F 67°42° NovDecember: average high 59 °F, low 35 °F 59°35° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 4.20 in precipitation, 0.3 in snowfall 4.2 JanFebruary: 3.98 in precipitation, 0.4 in snowfall 4.0 FebMarch: 5.07 in precipitation, 0.1 in snowfall 5.1 MarApril: 4.78 in precipitation 4.8 AprMay: 4.62 in precipitation 4.6 MayJune: 4.66 in precipitation 4.7 JunJuly: 3.65 in precipitation 3.6 JulAugust: 3.05 in precipitation 3.0 AugSeptember: 3.50 in precipitation 3.5 SepOctober: 4.67 in precipitation 4.7 OctNovember: 4.25 in precipitation 4.3 NovDecember: 4.91 in precipitation 4.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Marshall, TX (within 1 mile); precipitation: Marshall, TX (within 1 mile). Daylight is calculated from latitude.

ZIP codes in Marshall

Texas planting zones →

Questions about Marshall

What planting zone is Marshall, TX?

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

When is the last frost in Marshall, TX?

The median last spring frost is March 20 and the median first fall frost is November 11 (NOAA 1991–2020 normals, Marshall station).

When can I plant a garden in Marshall, TX?

Cool-season crops like peas and spinach go in around Feb 6 – Feb 27; tomatoes, peppers, beans and squash after about Mar 27, once frost risk has passed.

What kind of onions grow in Marshall, TX?

Short-day onions: the longest day is 14 h 17 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

How much rain and snow does Marshall, TX get?

About 51.3 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals).