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

Planting zone for 76937 — Eola, TX

ZIP code 76937 (Eola, Concho County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 30 and the first fall frost November 5.

Where ZIP 76937 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.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostMar 30
First frostNov 5
2012 zone8a

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Eola, 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 Eola, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 30median — 50% chance of a later frost
Safe for tender plantsApril 17only 10% chance of frost after
First fall frostNovember 5median — 10% chance by Oct 24
Growing season222 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 14 and returns around November 16.

From the NOAA station Paint Rock, TX — 15 miles away, elevation 1,654 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 76937

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 16 – Mar 2
SpinachSow outdoors · Feb 16 – Mar 9
Broccoli, cabbageStart indoors · Jan 19 – Feb 2
Broccoli, cabbageTransplant · Mar 9 – Mar 23
Onion setsPlant outdoors · Mar 2 – Mar 16
PotatoesPlant outdoors · Mar 9 – Mar 23
LettuceSow outdoors · Mar 2 – Mar 16
Carrots, beetsSow outdoors · Mar 9 – Mar 23
TomatoesStart indoors · Feb 2 – Feb 16
TomatoesTransplant · Apr 6 – Apr 20
Peppers, eggplantStart indoors · Jan 19 – Feb 2
Peppers, eggplantTransplant · Apr 13 – Apr 27
BeansSow outdoors · Apr 6 – Apr 20
Sweet cornSow outdoors · Apr 6 – Apr 20
Cucumbers, squashSow outdoors · Apr 6 – Apr 20
Fall lettuce, spinachSow outdoors · Sep 10 – Sep 24
GarlicPlant cloves · Oct 22 – Nov 26
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 30) and first fall frost (Nov 5) 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 76937 came on Feb 7 — 4 days later than the 1991–2020 average (Feb 3).

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).

Soil in Eola, TX

The soil mapped at the center of ZIP 76937 is Angelo — clay loam, well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH8.2alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Angelo clay 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 76937; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eola, TX

Summer high96 °Faverage high, July
Winter low30 °Faverage low, January
Hot days119days a year at 90 °F or more
Freezing nights61nights a year at 32 °F or less
Growing degree days6,160base 50 °F — the season’s usable heat
Longest day14 h 12 mindaylight on June 21
Shortest day10 h 06 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation24.6 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 60 °F, low 30 °F 60°30° JanFebruary: average high 64 °F, low 34 °F 64°34° FebMarch: average high 71 °F, low 42 °F 71°42° MarApril: average high 80 °F, low 50 °F 80°50° AprMay: average high 87 °F, low 61 °F 87°61° MayJune: average high 93 °F, low 69 °F 93°69° JunJuly: average high 96 °F, low 71 °F 96°71° JulAugust: average high 96 °F, low 71 °F 96°71° AugSeptember: average high 89 °F, low 63 °F 89°63° SepOctober: average high 80 °F, low 52 °F 80°52° OctNovember: average high 69 °F, low 40 °F 69°40° NovDecember: average high 60 °F, low 32 °F 60°32° Dec

Precipitation by month inches

0″1″2″3″4″January: 1.06 in precipitation 1.1 JanFebruary: 1.57 in precipitation 1.6 FebMarch: 1.78 in precipitation 1.8 MarApril: 1.51 in precipitation 1.5 AprMay: 3.04 in precipitation 3.0 MayJune: 3.50 in precipitation 3.5 JunJuly: 2.05 in precipitation 2.0 JulAugust: 2.39 in precipitation 2.4 AugSeptember: 2.33 in precipitation 2.3 SepOctober: 2.36 in precipitation 2.4 OctNovember: 1.81 in precipitation 1.8 NovDecember: 1.17 in precipitation 1.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Paint Rock, TX (15 mi away); precipitation: Paint Rock, TX (15 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

Texas planting zones →

Questions about 76937

What planting zone is ZIP code 76937?

ZIP code 76937 (Eola, TX) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Eola, TX?

The median last spring frost (32 °F) near 76937 is March 30; after April 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Paint Rock station.

When is the first frost in Eola, TX?

The median first fall frost near 76937 is November 5, giving a median frost-free growing season of 222 days.

When should I plant tomatoes in 76937?

Start tomato seeds indoors around Feb 2 – Feb 16 and set transplants outside around Apr 6 – Apr 20, one to three weeks after the median last frost.

How much rain and snow does 76937 get?

About 24.6 inches of precipitation a year (NOAA 1991–2020 normals, Paint Rock station).

How hot do summers get in Eola, TX?

The average high peaks at 96 °F in July, with about 119 days a year at 90 °F or more.

What kind of soil does 76937 have?

The USDA soil survey maps Angelo at the center of ZIP 76937: clay loam, well drained, pH about 8.2 (alkaline).

Did spring come early in Eola, TX in 2026?

Spring leaf-out near 76937 came on Feb 7 in 2026, 4 days later than the 1991–2020 average (Feb 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Eola, TX?

Short-day onions: the longest day near 76937 is 14 h 12 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.