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

Planting zone for 75933 — Call, TX

ZIP code 75933 (Call, Newton County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 28 and the first fall frost November 23.

Where ZIP 75933 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.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostFeb 28
First frostNov 23
2012 zone8b

Was 8b 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 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Call, 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 Call, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 28median — 50% chance of a later frost
Safe for tender plantsMarch 29only 10% chance of frost after
First fall frostNovember 23median — 10% chance by Nov 4
Growing season273 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 3 and returns around December 12.

From the NOAA station Orange 9 N, TX — 23 miles away, elevation 20 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 75933

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 17 – Jan 31
SpinachSow outdoors · Jan 17 – Feb 7
Broccoli, cabbageStart indoors · Dec 20 – Jan 3
Broccoli, cabbageTransplant · Feb 7 – Feb 21
Onion setsPlant outdoors · Jan 31 – Feb 14
PotatoesPlant outdoors · Feb 7 – Feb 21
LettuceSow outdoors · Jan 31 – Feb 14
Carrots, beetsSow outdoors · Feb 7 – Feb 21
TomatoesStart indoors · Jan 3 – Jan 17
TomatoesTransplant · Mar 7 – Mar 21
Peppers, eggplantStart indoors · Dec 20 – Jan 3
Peppers, eggplantTransplant · Mar 14 – Mar 28
BeansSow outdoors · Mar 7 – Mar 21
Sweet cornSow outdoors · Mar 7 – Mar 21
Cucumbers, squashSow outdoors · Mar 7 – Mar 21
Fall lettuce, spinachSow outdoors · Sep 28 – Oct 12
GarlicPlant cloves · Nov 9 – Dec 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 28) and first fall frost (Nov 23) 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 75933 came on Jan 11 — 15 days earlier than the 1991–2020 average (Jan 26).

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 9a in Texas

640 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.

Trees 72

Shrubs 141

Wildflowers & perennials 208

Grasses 196

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 Call, TX.

Soil in Call, TX

The soil mapped at the center of ZIP 75933 is Evadale — silt loam, poorly drained.

TextureSilt loama good balance for most vegetables
pH5.1strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Evadale silt loam, 0 to 1 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 75933; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Call, TX

Summer high90 °Faverage high, July
Winter low40 °Faverage low, January
Hot days74days a year at 90 °F or more
Freezing nights19nights a year at 32 °F or less
Growing degree days6,448base 50 °F — the season’s usable heat
Longest day14 h 07 mindaylight on June 21
Shortest day10 h 10 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation62.8 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 61 °F, low 40 °F 61°40° JanFebruary: average high 64 °F, low 44 °F 64°44° FebMarch: average high 70 °F, low 50 °F 70°50° MarApril: average high 76 °F, low 56 °F 76°56° AprMay: average high 83 °F, low 64 °F 83°64° MayJune: average high 88 °F, low 71 °F 88°71° JunJuly: average high 90 °F, low 73 °F 90°73° JulAugust: average high 90 °F, low 72 °F 90°72° AugSeptember: average high 87 °F, low 67 °F 87°67° SepOctober: average high 79 °F, low 57 °F 79°57° OctNovember: average high 69 °F, low 47 °F 69°47° NovDecember: average high 62 °F, low 42 °F 62°42° Dec

Precipitation by month inches

0″2″4″6″January: 5.72 in precipitation 5.7 JanFebruary: 4.45 in precipitation 4.5 FebMarch: 4.33 in precipitation 4.3 MarApril: 4.98 in precipitation 5.0 AprMay: 4.64 in precipitation 4.6 MayJune: 6.69 in precipitation 6.7 JunJuly: 4.94 in precipitation 4.9 JulAugust: 5.71 in precipitation 5.7 AugSeptember: 5.16 in precipitation 5.2 SepOctober: 5.30 in precipitation 5.3 OctNovember: 5.16 in precipitation 5.2 NovDecember: 5.73 in precipitation 5.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Orange 9 N, TX (23 mi away); precipitation: Kirbyville 1.5 Se, TX (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9a.

Texas planting zones →

Questions about 75933

What planting zone is ZIP code 75933?

ZIP code 75933 (Call, TX) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Call, TX?

The median last spring frost (32 °F) near 75933 is February 28; after March 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Orange 9 N station.

When is the first frost in Call, TX?

The median first fall frost near 75933 is November 23, giving a median frost-free growing season of 273 days.

When should I plant tomatoes in 75933?

Start tomato seeds indoors around Jan 3 – Jan 17 and set transplants outside around Mar 7 – Mar 21, one to three weeks after the median last frost.

How much rain and snow does 75933 get?

About 62.8 inches of precipitation a year (NOAA 1991–2020 normals, Kirbyville 1.5 Se station).

How hot do summers get in Call, TX?

The average high peaks at 90 °F in July, with about 74 days a year at 90 °F or more.

What kind of soil does 75933 have?

The USDA soil survey maps Evadale at the center of ZIP 75933: silt loam, poorly drained, pH about 5.1 (strongly acidic).

Did spring come early in Call, TX in 2026?

Spring leaf-out near 75933 came on Jan 11 in 2026, 15 days earlier than the 1991–2020 average (Jan 26), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Call, TX?

Short-day onions: the longest day near 75933 is 14 h 07 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 75933 change?

Yes. The 2012 USDA map put 75933 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.