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

Planting zone for 78064 — Pleasanton, TX

ZIP code 78064 (Pleasanton, Atascosa County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 27 and the first fall frost November 28.

Where ZIP 78064 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 27
First frostNov 28
2012 zone9a

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 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pleasanton, 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 Pleasanton, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 27median — 50% chance of a later frost
Safe for tender plantsMarch 20only 10% chance of frost after
First fall frostNovember 28median — 10% chance by Nov 7
Growing season274 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 10 and returns around December 10.

From the NOAA station Pleasanton, TX — 4 miles away, elevation 358 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 78064

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 16 – Jan 30
SpinachSow outdoors · Jan 16 – Feb 6
Broccoli, cabbageStart indoors · Dec 19 – Jan 2
Broccoli, cabbageTransplant · Feb 6 – Feb 20
Onion setsPlant outdoors · Jan 30 – Feb 13
PotatoesPlant outdoors · Feb 6 – Feb 20
LettuceSow outdoors · Jan 30 – Feb 13
Carrots, beetsSow outdoors · Feb 6 – Feb 20
TomatoesStart indoors · Jan 2 – Jan 16
TomatoesTransplant · Mar 6 – Mar 20
Peppers, eggplantStart indoors · Dec 19 – Jan 2
Peppers, eggplantTransplant · Mar 13 – Mar 27
BeansSow outdoors · Mar 6 – Mar 20
Sweet cornSow outdoors · Mar 6 – Mar 20
Cucumbers, squashSow outdoors · Mar 6 – Mar 20
Fall lettuce, spinachSow outdoors · Oct 3 – Oct 17
GarlicPlant cloves · Nov 14 – Dec 19
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 27) and first fall frost (Nov 28) 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 78064 came on Jan 15 — 8 days earlier than the 1991–2020 average (Jan 23).

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 Pleasanton, TX

The soil mapped at the center of ZIP 78064 is Webb — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH6.5neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classPrime farmland if irrigatedUSDA classification

Map unit: Webb fine sandy 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 78064; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pleasanton, TX

Summer high98 °Faverage high, August
Winter low40 °Faverage low, January
Hot days147days a year at 90 °F or more
Freezing nights19nights a year at 32 °F or less
Growing degree days7,629base 50 °F — the season’s usable heat
Longest day13 h 59 mindaylight on June 21
Shortest day10 h 18 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation31.5 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 65 °F, low 40 °F 65°40° JanFebruary: average high 69 °F, low 44 °F 69°44° FebMarch: average high 76 °F, low 52 °F 76°52° MarApril: average high 83 °F, low 58 °F 83°58° AprMay: average high 89 °F, low 67 °F 89°67° MayJune: average high 94 °F, low 73 °F 94°73° JunJuly: average high 96 °F, low 74 °F 96°74° JulAugust: average high 98 °F, low 74 °F 98°74° AugSeptember: average high 92 °F, low 69 °F 92°69° SepOctober: average high 84 °F, low 59 °F 84°59° OctNovember: average high 74 °F, low 50 °F 74°50° NovDecember: average high 66 °F, low 42 °F 66°42° Dec

Precipitation by month inches

0″1″2″3″4″January: 1.98 in precipitation 2.0 JanFebruary: 1.76 in precipitation 1.8 FebMarch: 2.26 in precipitation 2.3 MarApril: 2.36 in precipitation 2.4 AprMay: 3.89 in precipitation 3.9 MayJune: 3.79 in precipitation 3.8 JunJuly: 2.63 in precipitation 2.6 JulAugust: 2.46 in precipitation 2.5 AugSeptember: 3.58 in precipitation 3.6 SepOctober: 2.72 in precipitation 2.7 OctNovember: 2.19 in precipitation 2.2 NovDecember: 1.91 in precipitation, 0.3 in snowfall 1.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pleasanton, TX (4 mi away); precipitation: Pleasanton, TX (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9a.

Texas planting zones →

Questions about 78064

What planting zone is ZIP code 78064?

ZIP code 78064 (Pleasanton, 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 Pleasanton, TX?

The median last spring frost (32 °F) near 78064 is February 27; after March 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pleasanton station.

When is the first frost in Pleasanton, TX?

The median first fall frost near 78064 is November 28, giving a median frost-free growing season of 274 days.

When should I plant tomatoes in 78064?

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

How much rain and snow does 78064 get?

About 31.5 inches of precipitation a year (NOAA 1991–2020 normals, Pleasanton station).

How hot do summers get in Pleasanton, TX?

The average high peaks at 98 °F in August, with about 147 days a year at 90 °F or more.

What kind of soil does 78064 have?

The USDA soil survey maps Webb at the center of ZIP 78064: fine sandy loam, well drained, pH about 6.5 (neutral).

Did spring come early in Pleasanton, TX in 2026?

Spring leaf-out near 78064 came on Jan 15 in 2026, 8 days earlier than the 1991–2020 average (Jan 23), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pleasanton, TX?

Short-day onions: the longest day near 78064 is 13 h 59 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.