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

Planting zone for Sherman, TX

Sherman, TX is in USDA zone 8a across its 3 ZIP codes. The median last spring frost is March 14 and the first fall frost November 19.

Sherman on the zone map

Outlined: its 2 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.

Zone8a10 to 15 °F
ZIP codes3
Last frostMar 14
First frostNov 19
Growing season250 days

8a 3 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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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 Sherman, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 14median — 50% chance of a later frost
Safe for tender plantsApril 1only 10% chance of frost after
First fall frostNovember 19median — 10% chance by Nov 2
Growing season250 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 2 and returns around November 30.

From the NOAA station Sherman, TX, elevation 761 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 Sherman

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 31 – Feb 14
SpinachSow outdoors · Jan 31 – Feb 21
Broccoli, cabbageStart indoors · Jan 3 – Jan 17
Broccoli, cabbageTransplant · Feb 21 – Mar 7
Onion setsPlant outdoors · Feb 14 – Feb 28
PotatoesPlant outdoors · Feb 21 – Mar 7
LettuceSow outdoors · Feb 14 – Feb 28
Carrots, beetsSow outdoors · Feb 21 – Mar 7
TomatoesStart indoors · Jan 17 – Jan 31
TomatoesTransplant · Mar 21 – Apr 4
Peppers, eggplantStart indoors · Jan 3 – Jan 17
Peppers, eggplantTransplant · Mar 28 – Apr 11
BeansSow outdoors · Mar 21 – Apr 4
Sweet cornSow outdoors · Mar 21 – Apr 4
Cucumbers, squashSow outdoors · Mar 21 – Apr 4
Fall lettuce, spinachSow outdoors · Sep 24 – Oct 8
GarlicPlant cloves · Nov 5 – Dec 10
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 14) and first fall frost (Nov 19) 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 75091 came on Feb 9 — about the same time as the 1991–2020 average (Feb 11).

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 8a in Texas

601 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.

Trees 70

Shrubs 133

Wildflowers & perennials 200

Grasses 177

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 Sherman, TX.

Soil in Sherman, TX

The center of ZIP 75091 is mapped as Urban land: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

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 75091; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Sherman, TX

Summer high93 °Faverage high, July
Winter low34 °Faverage low, January
Hot days73days a year at 90 °F or more
Freezing nights43nights a year at 32 °F or less
Growing degree days5,765base 50 °F — the season’s usable heat
Longest day14 h 23 mindaylight on June 21
Shortest day9 h 55 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation43.4 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 53 °F, low 34 °F 53°34° JanFebruary: average high 57 °F, low 37 °F 57°37° FebMarch: average high 65 °F, low 45 °F 65°45° MarApril: average high 73 °F, low 53 °F 73°53° AprMay: average high 80 °F, low 62 °F 80°62° MayJune: average high 88 °F, low 70 °F 88°70° JunJuly: average high 93 °F, low 74 °F 93°74° JulAugust: average high 93 °F, low 73 °F 93°73° AugSeptember: average high 85 °F, low 66 °F 85°66° SepOctober: average high 75 °F, low 55 °F 75°55° OctNovember: average high 63 °F, low 44 °F 63°44° NovDecember: average high 54 °F, low 36 °F 54°36° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 2.45 in precipitation 2.5 JanFebruary: 2.73 in precipitation 2.7 FebMarch: 3.95 in precipitation 4.0 MarApril: 3.89 in precipitation 3.9 AprMay: 5.63 in precipitation 5.6 MayJune: 4.28 in precipitation 4.3 JunJuly: 2.78 in precipitation 2.8 JulAugust: 3.01 in precipitation 3.0 AugSeptember: 3.54 in precipitation 3.5 SepOctober: 4.53 in precipitation 4.5 OctNovember: 3.24 in precipitation 3.2 NovDecember: 3.41 in precipitation 3.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sherman, TX (5 mi away); precipitation: Sherman 3.6 Nw, TX (3 mi away). Daylight is calculated from latitude.

ZIP codes in Sherman

Texas planting zones →

Questions about Sherman

What planting zone is Sherman, TX?

Sherman, TX is in USDA hardiness zone 8a on the 2023 map (8a: 10 to 15 °F).

When is the last frost in Sherman, TX?

The median last spring frost is March 14 and the median first fall frost is November 19 (NOAA 1991–2020 normals, Sherman station).

When can I plant a garden in Sherman, TX?

Cool-season crops like peas and spinach go in around Jan 31 – Feb 21; tomatoes, peppers, beans and squash after about Mar 21, once frost risk has passed.

What kind of onions grow in Sherman, TX?

Intermediate onions: the longest day is 14 h 23 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Sherman, TX get?

About 43.4 inches of precipitation a year (NOAA 1991–2020 normals).