When to plant in Stephenville, TX
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Stephenville, Texas — all computed from Stephenville's nearest NOAA weather station.
Zone 8b means many perennials and even some tender shrubs overwinter in Stephenville, while your frost dates still decide when annuals go out.
Frost probability
STEPHENVILLE · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Stephenville’s own odds, recorded at STEPHENVILLE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 25 | Apr 9 | Mar 23 | Oct 16 | Oct 30 | Nov 12 |
| 32°F | Apr 18 | Mar 29 | Mar 9 | Oct 23 | Nov 8 | Nov 25 |
| 28°F | Apr 2 | Mar 15 | Feb 25 | Nov 1 | Nov 17 | Dec 5 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Stephenville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 31 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Stephenville planting FAQ
When is the last spring frost in Stephenville, TX?
Plan for the last spring frost in Stephenville around March 29 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Stephenville, TX?
Expect Stephenville's first fall frost near November 8 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Stephenville in?
Stephenville is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Stephenville?
There are roughly 224 frost-free days in Stephenville (a long growing season), running from the average last frost around March 29 to the first fall frost near November 8.
When should I plant tomatoes in Stephenville?
In Stephenville, start tomato seeds indoors around February 1–February 15, then transplant seedlings outdoors around April 5 once the danger of frost has passed.
Never miss a window in Stephenville
An email when it’s time to start seeds, transplant, and sow — timed to Stephenville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Granbury · 48 km
- Mineral Wells · 69 km
- Weatherford · 74 km
- Cleburne · 78 km
- Benbrook · 88 km
- Crowley · 90 km
- Burleson · 91 km
- Brownwood · 91 km
Frost dates recorded at STEPHENVILLE, 2 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Stephenville, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003969. Retrieved from https://blissgarden.com/texas/stephenville.