When to plant in Steiner Ranch, TX
USDA Zone 9aEverything below — frost dates, hardiness zone, and what to plant when in Steiner Ranch, Texas — is derived from the closest NOAA station with complete climate normals.
Steiner Ranch enjoys a long ~254-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 Steiner Ranch can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
AUSTIN GREAT HILLS · 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 Steiner Ranch’s own odds, recorded at AUSTIN GREAT HILLS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 11 | Mar 25 | Mar 6 | Oct 27 | Nov 10 | Nov 27 |
| 32°F | Mar 29 | Mar 11 | Feb 22 | Nov 3 | Nov 20 | Dec 9 |
| 28°F | Mar 19 | Mar 1 | Jan 31 | Nov 12 | Dec 3 | Dec 29 |
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 Steiner Ranch, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 18 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.
Steiner Ranch planting FAQ
When is the last spring frost in Steiner Ranch, TX?
Plan for the last spring frost in Steiner Ranch around March 11 (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 Steiner Ranch, TX?
In Steiner Ranch, the first 32°F freeze of fall lands around November 20 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Steiner Ranch in?
Steiner Ranch is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Steiner Ranch?
There are roughly 254 frost-free days in Steiner Ranch (a long growing season), running from the average last frost around March 11 to the first fall frost near November 20.
When should I plant tomatoes in Steiner Ranch?
In Steiner Ranch, start tomato seeds indoors around January 14–January 28, then transplant seedlings outdoors around March 18 once the danger of frost has passed.
Never miss a window in Steiner Ranch
An email when it’s time to start seeds, transplant, and sow — timed to Steiner Ranch’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lakeway · 9 km
- Austin · 15 km
- Cedar Park · 18 km
- Brushy Creek · 22 km
- Wells Branch · 22 km
- Leander · 23 km
- Round Rock · 29 km
- Pflugerville · 30 km
Frost dates recorded at AUSTIN GREAT HILLS, 14 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 Steiner Ranch, TX — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00410433. Retrieved from https://blissgarden.com/texas/steiner-ranch.