When to plant in Selma, TX
USDA Zone 9aEverything below — frost dates, hardiness zone, and what to plant when in Selma, Texas — is derived from the closest NOAA station with complete climate normals.
Selma enjoys a long ~287-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9a is warm enough that Selma can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
RANDOLPH AFB · 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 Selma’s own odds, recorded at RANDOLPH AFB.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 26 | Mar 6 | Feb 13 | Nov 4 | Nov 24 | Dec 10 |
| 32°F | Mar 14 | Feb 21 | Jan 10 | Nov 16 | Dec 5 | Jan 1 |
| 28°F | Mar 5 | Jan 26 | Dec 18 | Nov 28 | Dec 19 | Feb 1 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Selma, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Selma planting FAQ
When is the last spring frost in Selma, TX?
Selma's average last spring frost falls near February 21 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Selma, TX?
Expect Selma's first fall frost near December 5 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Selma in?
Selma is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Selma?
There are roughly 287 frost-free days in Selma (a long growing season), running from the average last frost around February 21 to the first fall frost near December 5.
When should I plant tomatoes in Selma?
In Selma, start tomato seeds indoors around December 27–January 10, then transplant seedlings outdoors around February 28 once the danger of frost has passed.
Never miss a window in Selma
An email when it’s time to start seeds, transplant, and sow — timed to Selma’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Universal City · 4 km
- Live Oak · 4 km
- Schertz · 7 km
- Converse · 8 km
- Cibolo · 10 km
- Timberwood Park · 21 km
- New Braunfels · 23 km
- San Antonio · 24 km
Frost dates recorded at RANDOLPH AFB, 6 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 Selma, TX — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012911. Retrieved from https://blissgarden.com/texas/selma.