When to plant in College Station, TX
USDA Zone 9aCollege Station, Texas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
A generous ~276-day season lets College Station gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 9a, frost is a minor factor for College Station — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
COLLEGE STN · 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 College Station’s own odds, recorded at COLLEGE STN.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 2 | Mar 11 | Feb 22 | Nov 1 | Nov 17 | Dec 5 |
| 32°F | Mar 18 | Feb 27 | Jan 31 | Nov 10 | Nov 30 | Dec 26 |
| 28°F | Mar 9 | Feb 7 | Jan 6 | Nov 23 | Dec 18 | Jan 22 |
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 College Station, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 36 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.
College Station planting FAQ
When is the last spring frost in College Station, TX?
College Station's average last spring frost falls near February 27 — 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 College Station, TX?
In College Station, the first 32°F freeze of fall lands around November 30 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is College Station in?
College Station is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in College Station?
College Station has about 276 frost-free days — a long growing season — between the average last spring frost (February 27) and first fall frost (November 30).
When should I plant tomatoes in College Station?
For College Station, sow tomatoes indoors about January 2–January 16 and move the seedlings out around March 6, after the last spring frost.
Never miss a window in College Station
An email when it’s time to start seeds, transplant, and sow — timed to College Station’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Bryan · 12 km
- Brenham · 48 km
- Huntsville · 72 km
- Conroe · 83 km
- Tomball · 85 km
- The Woodlands · 88 km
- Katy · 99 km
- Spring · 105 km
Frost dates recorded at COLLEGE STN, 7 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 College Station, TX — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003904. Retrieved from https://blissgarden.com/texas/college-station.