When to plant in New Braunfels, TX
USDA Zone 9aEverything below — frost dates, hardiness zone, and what to plant when in New Braunfels, Texas — is derived from the closest NOAA station with complete climate normals.
New Braunfels enjoys a long ~255-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 New Braunfels can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average first fall frost in New Braunfels is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
NEW BRAUNFELS · 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 New Braunfels’s own odds, recorded at NEW BRAUNFELS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 18 | Mar 25 | Feb 28 | Oct 25 | Nov 7 | Nov 25 |
| 32°F | Apr 1 | Mar 8 | Feb 17 | Nov 2 | Nov 18 | Dec 10 |
| 28°F | Mar 17 | Feb 24 | Jan 29 | Nov 10 | Dec 2 | Jan 8 |
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 New Braunfels, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 8 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.
New Braunfels planting FAQ
When is the last spring frost in New Braunfels, TX?
New Braunfels's average last spring frost falls near March 8 — 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 New Braunfels, TX?
Expect New Braunfels's first fall frost near November 18 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is New Braunfels in?
New Braunfels is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in New Braunfels?
There are roughly 255 frost-free days in New Braunfels (a long growing season), running from the average last frost around March 8 to the first fall frost near November 18.
When should I plant tomatoes in New Braunfels?
In New Braunfels, start tomato seeds indoors around January 11–January 25, then transplant seedlings outdoors around March 15 once the danger of frost has passed.
Never miss a window in New Braunfels
An email when it’s time to start seeds, transplant, and sow — timed to New Braunfels’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Cibolo · 18 km
- Seguin · 19 km
- Schertz · 20 km
- Selma · 23 km
- Canyon Lake · 24 km
- Universal City · 25 km
- San Marcos · 26 km
- Live Oak · 27 km
Frost dates recorded at NEW BRAUNFELS, 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 New Braunfels, TX — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00416276. Retrieved from https://blissgarden.com/texas/new-braunfels.