When to plant in Dumas, TX
USDA Zone 7aDumas, Texas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 7a means many perennials and even some tender shrubs overwinter in Dumas, while your frost dates still decide when annuals go out.
Frost probability
DUMAS · 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 Dumas’s own odds, recorded at DUMAS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 19 | May 2 | Apr 16 | Sep 30 | Oct 14 | Oct 27 |
| 32°F | May 9 | Apr 21 | Apr 4 | Oct 5 | Oct 24 | Nov 5 |
| 28°F | Apr 30 | Apr 10 | Mar 23 | Oct 15 | Nov 2 | Nov 15 |
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 Dumas, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 38 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.
Dumas planting FAQ
When is the last spring frost in Dumas, TX?
Plan for the last spring frost in Dumas around April 21 (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 Dumas, TX?
The first fall frost in Dumas typically arrives around October 24 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Dumas in?
Dumas is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Dumas?
There are roughly 186 frost-free days in Dumas (a moderate growing season), running from the average last frost around April 21 to the first fall frost near October 24.
When should I plant tomatoes in Dumas?
In Dumas, start tomato seeds indoors around February 24–March 10, then transplant seedlings outdoors around April 28 once the danger of frost has passed.
Never miss a window in Dumas
An email when it’s time to start seeds, transplant, and sow — timed to Dumas’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at DUMAS, 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 Dumas, TX — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00412617. Retrieved from https://blissgarden.com/texas/dumas.