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 zoomNot 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.
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 ServiceLoading 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
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
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).
Feb 12026
Feb 4
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.
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
Average high and low, by month
Precipitation by month inches
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.
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.