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

Planting zone for 75763 — Frankston, TX

ZIP code 75763 (Frankston, Anderson County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 22 and the first fall frost November 14.

Where ZIP 75763 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 22
First frostNov 14
2012 zone8b

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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Frankston, 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 Frankston, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 22median — 50% chance of a later frost
Safe for tender plantsApril 8only 10% chance of frost after
First fall frostNovember 14median — 10% chance by Oct 30
Growing season239 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 8 and returns around November 28.

From the NOAA station Jacksonville, TX — 16 miles away, elevation 561 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 75763

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 8 – Feb 22
SpinachSow outdoors · Feb 8 – Mar 1
Broccoli, cabbageStart indoors · Jan 11 – Jan 25
Broccoli, cabbageTransplant · Mar 1 – Mar 15
Onion setsPlant outdoors · Feb 22 – Mar 8
PotatoesPlant outdoors · Mar 1 – Mar 15
LettuceSow outdoors · Feb 22 – Mar 8
Carrots, beetsSow outdoors · Mar 1 – Mar 15
TomatoesStart indoors · Jan 25 – Feb 8
TomatoesTransplant · Mar 29 – Apr 12
Peppers, eggplantStart indoors · Jan 11 – Jan 25
Peppers, eggplantTransplant · Apr 5 – Apr 19
BeansSow outdoors · Mar 29 – Apr 12
Sweet cornSow outdoors · Mar 29 – Apr 12
Cucumbers, squashSow outdoors · Mar 29 – Apr 12
Fall lettuce, spinachSow outdoors · Sep 19 – Oct 3
GarlicPlant cloves · Oct 31 – Dec 5
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 22) and first fall frost (Nov 14) 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 75763 came on Feb 4 — 3 days later than the 1991–2020 average (Feb 1).

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 Frankston, TX

The soil mapped at the center of ZIP 75763 is Elrose — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Elrose fine sandy loam, 3 to 8 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 75763; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Frankston, TX

Summer high94 °Faverage high, July
Winter low34 °Faverage low, January
Hot days96days a year at 90 °F or more
Freezing nights37nights a year at 32 °F or less
Growing degree days6,047base 50 °F — the season’s usable heat
Longest day14 h 15 mindaylight on June 21
Shortest day10 h 03 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation47.5 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 58 °F, low 34 °F 58°34° JanFebruary: average high 63 °F, low 37 °F 63°37° FebMarch: average high 70 °F, low 43 °F 70°43° MarApril: average high 77 °F, low 51 °F 77°51° AprMay: average high 83 °F, low 61 °F 83°61° MayJune: average high 90 °F, low 68 °F 90°68° JunJuly: average high 94 °F, low 72 °F 94°72° JulAugust: average high 94 °F, low 71 °F 94°71° AugSeptember: average high 89 °F, low 64 °F 89°64° SepOctober: average high 79 °F, low 54 °F 79°54° OctNovember: average high 68 °F, low 43 °F 68°43° NovDecember: average high 61 °F, low 37 °F 61°37° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 4.54 in precipitation, 0.2 in snowfall 4.5 JanFebruary: 4.24 in precipitation 4.2 FebMarch: 3.80 in precipitation 3.8 MarApril: 3.38 in precipitation 3.4 AprMay: 4.26 in precipitation 4.3 MayJune: 4.04 in precipitation 4.0 JunJuly: 3.40 in precipitation 3.4 JulAugust: 3.07 in precipitation 3.1 AugSeptember: 3.55 in precipitation 3.5 SepOctober: 4.75 in precipitation 4.8 OctNovember: 4.24 in precipitation 4.2 NovDecember: 4.23 in precipitation 4.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Jacksonville, TX (16 mi away); precipitation: Jacksonville, TX (16 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

Texas planting zones →

Questions about 75763

What planting zone is ZIP code 75763?

ZIP code 75763 (Frankston, 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 Frankston, TX?

The median last spring frost (32 °F) near 75763 is March 22; after April 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Jacksonville station.

When is the first frost in Frankston, TX?

The median first fall frost near 75763 is November 14, giving a median frost-free growing season of 239 days.

When should I plant tomatoes in 75763?

Start tomato seeds indoors around Jan 25 – Feb 8 and set transplants outside around Mar 29 – Apr 12, one to three weeks after the median last frost.

How much rain and snow does 75763 get?

About 47.5 inches of precipitation a year (NOAA 1991–2020 normals, Jacksonville station).

How hot do summers get in Frankston, TX?

The average high peaks at 94 °F in July, with about 96 days a year at 90 °F or more.

What kind of soil does 75763 have?

The USDA soil survey maps Elrose at the center of ZIP 75763: fine sandy loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Frankston, TX in 2026?

Spring leaf-out near 75763 came on Feb 4 in 2026, 3 days later than the 1991–2020 average (Feb 1), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Frankston, TX?

Short-day onions: the longest day near 75763 is 14 h 15 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.