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

Planting zone for 73459 — Thackerville, OK

ZIP code 73459 (Thackerville, Love County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 6 and the first fall frost November 2.

Where ZIP 73459 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 frostApr 6
First frostNov 2
2012 zone7b

Was 7b 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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Thackerville, OK…

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 Thackerville, OK

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 6median — 50% chance of a later frost
Safe for tender plantsApril 24only 10% chance of frost after
First fall frostNovember 2median — 10% chance by Oct 18
Growing season211 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 23 and returns around November 9.

From the NOAA station Marietta 5sw, OK — 7 miles away, elevation 801 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 73459

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 23 – Mar 9
SpinachSow outdoors · Feb 23 – Mar 16
Broccoli, cabbageStart indoors · Jan 26 – Feb 9
Broccoli, cabbageTransplant · Mar 16 – Mar 30
Onion setsPlant outdoors · Mar 9 – Mar 23
PotatoesPlant outdoors · Mar 16 – Mar 30
LettuceSow outdoors · Mar 9 – Mar 23
Carrots, beetsSow outdoors · Mar 16 – Mar 30
TomatoesStart indoors · Feb 9 – Feb 23
TomatoesTransplant · Apr 13 – Apr 27
Peppers, eggplantStart indoors · Jan 26 – Feb 9
Peppers, eggplantTransplant · Apr 20 – May 4
BeansSow outdoors · Apr 13 – Apr 27
Sweet cornSow outdoors · Apr 13 – Apr 27
Cucumbers, squashSow outdoors · Apr 13 – Apr 27
Fall lettuce, spinachSow outdoors · Sep 7 – Sep 21
GarlicPlant cloves · Oct 19 – Nov 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 6) and first fall frost (Nov 2) 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 73459 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).

Soil in Thackerville, OK

The soil mapped at the center of ZIP 73459 is Eufaula — loamy fine sand, somewhat excessively drained.

TextureLoamy fine sanddrains and warms fast; dries out and needs more feeding
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Eufaula soils, 0 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 73459; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Thackerville, OK

Summer high94 °Faverage high, July
Winter low28 °Faverage low, January
Hot days78days a year at 90 °F or more
Freezing nights70nights a year at 32 °F or less
Growing degree days5,277base 50 °F — the season’s usable heat
Longest day14 h 24 mindaylight on June 21
Shortest day9 h 54 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation39.8 inper year, rain and melted snow
Snowfall4 inper year; 1 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 53 °F, low 28 °F 53°28° JanFebruary: average high 57 °F, low 32 °F 57°32° FebMarch: average high 65 °F, low 40 °F 65°40° MarApril: average high 73 °F, low 48 °F 73°48° AprMay: average high 80 °F, low 58 °F 80°58° MayJune: average high 88 °F, low 67 °F 88°67° JunJuly: average high 94 °F, low 70 °F 94°70° JulAugust: average high 94 °F, low 69 °F 94°69° AugSeptember: average high 86 °F, low 61 °F 86°61° SepOctober: average high 76 °F, low 50 °F 76°50° OctNovember: average high 64 °F, low 39 °F 64°39° NovDecember: average high 55 °F, low 30 °F 55°30° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 1.99 in precipitation, 1.6 in snowfall 2.0❄2 JanFebruary: 2.23 in precipitation, 0.9 in snowfall 2.2❄1 FebMarch: 3.38 in precipitation, 0.3 in snowfall 3.4 MarApril: 3.75 in precipitation 3.8 AprMay: 5.55 in precipitation 5.5 MayJune: 4.19 in precipitation 4.2 JunJuly: 2.84 in precipitation 2.8 JulAugust: 2.75 in precipitation 2.8 AugSeptember: 3.83 in precipitation 3.8 SepOctober: 4.07 in precipitation 4.1 OctNovember: 2.57 in precipitation 2.6 NovDecember: 2.66 in precipitation, 1 in snowfall 2.7❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Marietta 5sw, OK (7 mi away); precipitation: Marietta 5sw, OK (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

Oklahoma planting zones →

Questions about 73459

What planting zone is ZIP code 73459?

ZIP code 73459 (Thackerville, OK) 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 Thackerville, OK?

The median last spring frost (32 °F) near 73459 is April 6; after April 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Marietta 5sw station.

When is the first frost in Thackerville, OK?

The median first fall frost near 73459 is November 2, giving a median frost-free growing season of 211 days.

When should I plant tomatoes in 73459?

Start tomato seeds indoors around Feb 9 – Feb 23 and set transplants outside around Apr 13 – Apr 27, one to three weeks after the median last frost.

How much rain and snow does 73459 get?

About 39.8 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Marietta 5sw station).

How hot do summers get in Thackerville, OK?

The average high peaks at 94 °F in July, with about 78 days a year at 90 °F or more.

What kind of soil does 73459 have?

The USDA soil survey maps Eufaula at the center of ZIP 73459: loamy fine sand, somewhat excessively drained, pH about 6.2 (slightly acidic).

Did spring come early in Thackerville, OK in 2026?

Spring leaf-out near 73459 came on Feb 9 in 2026, about the same as the 1991–2020 average (Feb 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Thackerville, OK?

Intermediate onions: the longest day near 73459 is 14 h 24 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 73459 change?

Yes. The 2012 USDA map put 73459 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.