When to plant in Sulphur Springs, TX
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Sulphur Springs, Texas — all computed from Sulphur Springs's nearest NOAA weather station.
A generous ~244-day season lets Sulphur Springs gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 8b, Sulphur Springs supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Sulphur Springs is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SULPHUR SPRINGS · 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 Sulphur Springs’s own odds, recorded at SULPHUR SPRINGS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 17 | Mar 31 | Mar 11 | Oct 22 | Nov 4 | Nov 21 |
| 32°F | Apr 4 | Mar 15 | Feb 25 | Oct 29 | Nov 14 | Dec 3 |
| 28°F | Mar 19 | Mar 2 | Feb 7 | Nov 7 | Nov 28 | Dec 18 |
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 Sulphur Springs, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 34 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.
Sulphur Springs planting FAQ
When is the last spring frost in Sulphur Springs, TX?
Plan for the last spring frost in Sulphur Springs around March 15 (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 Sulphur Springs, TX?
Expect Sulphur Springs's first fall frost near November 14 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Sulphur Springs in?
Sulphur Springs is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Sulphur Springs?
Sulphur Springs has about 244 frost-free days — a long growing season — between the average last spring frost (March 15) and first fall frost (November 14).
When should I plant tomatoes in Sulphur Springs?
For Sulphur Springs, sow tomatoes indoors about January 18–February 1 and move the seedlings out around March 22, after the last spring frost.
Never miss a window in Sulphur Springs
An email when it’s time to start seeds, transplant, and sow — timed to Sulphur Springs’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Greenville · 46 km
- Paris · 59 km
- Mount Pleasant · 60 km
- Royse City · 68 km
- Bonham · 73 km
- Fate · 75 km
- Terrell · 79 km
- Rockwall · 81 km
Frost dates recorded at SULPHUR SPRINGS, 1 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 Sulphur Springs, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00418743. Retrieved from https://blissgarden.com/texas/sulphur-springs.