When to plant in Big Spring, TX
USDA Zone 8aBig Spring, Texas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 8a means many perennials and even some tender shrubs overwinter in Big Spring, while your frost dates still decide when annuals go out.
Frost probability
BIG SPRING · 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 Big Spring’s own odds, recorded at BIG SPRING.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 24 | Apr 3 | Mar 15 | Oct 23 | Nov 5 | Nov 17 |
| 32°F | Apr 7 | Mar 20 | Mar 1 | Oct 31 | Nov 13 | Nov 29 |
| 28°F | Mar 29 | Mar 6 | Feb 16 | Nov 7 | Nov 24 | Dec 12 |
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 Big Spring, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
2 within 41 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.
Big Spring planting FAQ
When is the last spring frost in Big Spring, TX?
Plan for the last spring frost in Big Spring around March 20 (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 Big Spring, TX?
Expect Big Spring's first fall frost near November 13 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Big Spring in?
Big Spring is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Big Spring?
There are roughly 238 frost-free days in Big Spring (a long growing season), running from the average last frost around March 20 to the first fall frost near November 13.
When should I plant tomatoes in Big Spring?
In Big Spring, start tomato seeds indoors around January 23–February 6, then transplant seedlings outdoors around March 27 once the danger of frost has passed.
Never miss a window in Big Spring
An email when it’s time to start seeds, transplant, and sow — timed to Big Spring’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Midland · 64 km
- Snyder · 75 km
- Odessa · 90 km
- Andrews · 101 km
- Sweetwater · 104 km
- West Odessa · 105 km
- San Angelo · 132 km
- Lubbock · 152 km
Frost dates recorded at BIG SPRING, 3 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 Big Spring, TX — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023041. Retrieved from https://blissgarden.com/texas/big-spring.