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

Planting zone for 76836 — Doole, TX

ZIP code 76836 (Doole, McCulloch County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 18 and the first fall frost November 12.

Where ZIP 76836 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.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 18
First frostNov 12
2012 zone8a

Was 8a 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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Doole, 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 Doole, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 18median — 50% chance of a later frost
Safe for tender plantsApril 7only 10% chance of frost after
First fall frostNovember 12median — 10% chance by Oct 30
Growing season239 daysfrost-free, median

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

From the NOAA station Concho Park/Ivie Rsvr, TX — 11 miles away, elevation 1,568 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 76836

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 4 – Feb 18
SpinachSow outdoors · Feb 4 – Feb 25
Broccoli, cabbageStart indoors · Jan 7 – Jan 21
Broccoli, cabbageTransplant · Feb 25 – Mar 11
Onion setsPlant outdoors · Feb 18 – Mar 4
PotatoesPlant outdoors · Feb 25 – Mar 11
LettuceSow outdoors · Feb 18 – Mar 4
Carrots, beetsSow outdoors · Feb 25 – Mar 11
TomatoesStart indoors · Jan 21 – Feb 4
TomatoesTransplant · Mar 25 – Apr 8
Peppers, eggplantStart indoors · Jan 7 – Jan 21
Peppers, eggplantTransplant · Apr 1 – Apr 15
BeansSow outdoors · Mar 25 – Apr 8
Sweet cornSow outdoors · Mar 25 – Apr 8
Cucumbers, squashSow outdoors · Mar 25 – Apr 8
Fall lettuce, spinachSow outdoors · Sep 17 – Oct 1
GarlicPlant cloves · Oct 29 – Dec 3
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 18) and first fall frost (Nov 12) 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 76836 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 Doole, TX

The soil mapped at the center of ZIP 76836 is Mereta — 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 matter4.5%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Mereta clay loam, 1 to 3 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 76836; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Doole, TX

Summer high97 °Faverage high, July
Winter low31 °Faverage low, January
Hot days117days a year at 90 °F or more
Freezing nights49nights a year at 32 °F or less
Growing degree days6,327base 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
Precipitation23.1 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 31 °F 60°31° JanFebruary: average high 65 °F, low 36 °F 65°36° FebMarch: average high 72 °F, low 44 °F 72°44° MarApril: average high 80 °F, low 51 °F 80°51° AprMay: average high 87 °F, low 61 °F 87°61° MayJune: average high 93 °F, low 69 °F 93°69° JunJuly: average high 97 °F, low 71 °F 97°71° JulAugust: average high 96 °F, low 71 °F 96°71° AugSeptember: average high 90 °F, low 64 °F 90°64° SepOctober: average high 81 °F, low 53 °F 81°53° OctNovember: average high 69 °F, low 43 °F 69°43° NovDecember: average high 62 °F, low 34 °F 62°34° Dec

Precipitation by month inches

0″1″2″3″4″January: 0.97 in precipitation 1.0 JanFebruary: 1.63 in precipitation 1.6 FebMarch: 1.72 in precipitation 1.7 MarApril: 1.39 in precipitation 1.4 AprMay: 3.03 in precipitation 3.0 MayJune: 3.33 in precipitation 3.3 JunJuly: 1.91 in precipitation 1.9 JulAugust: 2.39 in precipitation 2.4 AugSeptember: 2.15 in precipitation 2.1 SepOctober: 1.68 in precipitation 1.7 OctNovember: 2.02 in precipitation 2.0 NovDecember: 0.87 in precipitation 0.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Concho Park/Ivie Rsvr, TX (11 mi away); precipitation: Concho Park/Ivie Rsvr, TX (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Texas planting zones →

Questions about 76836

What planting zone is ZIP code 76836?

ZIP code 76836 (Doole, TX) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Doole, TX?

The median last spring frost (32 °F) near 76836 is March 18; after April 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Concho Park/Ivie Rsvr station.

When is the first frost in Doole, TX?

The median first fall frost near 76836 is November 12, giving a median frost-free growing season of 239 days.

When should I plant tomatoes in 76836?

Start tomato seeds indoors around Jan 21 – Feb 4 and set transplants outside around Mar 25 – Apr 8, one to three weeks after the median last frost.

How much rain and snow does 76836 get?

About 23.1 inches of precipitation a year (NOAA 1991–2020 normals, Concho Park/Ivie Rsvr station).

How hot do summers get in Doole, TX?

The average high peaks at 97 °F in July, with about 117 days a year at 90 °F or more.

What kind of soil does 76836 have?

The USDA soil survey maps Mereta at the center of ZIP 76836: clay loam, well drained, pH about 8.2 (alkaline).

Did spring come early in Doole, TX in 2026?

Spring leaf-out near 76836 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 Doole, TX?

Short-day onions: the longest day near 76836 is 14 h 12 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 76836 change?

Yes. The 2012 USDA map put 76836 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.