When to plant in University Park, TX
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for University Park, Texas — all computed from University Park's nearest NOAA weather station.
University Park enjoys a long ~272-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 8b, University Park supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
DALLAS LOVE FLD · 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 University Park’s own odds, recorded at DALLAS LOVE FLD.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 4 | Mar 14 | Feb 25 | Oct 30 | Nov 16 | Dec 3 |
| 32°F | Mar 19 | Mar 2 | Feb 10 | Nov 10 | Nov 29 | Dec 18 |
| 28°F | Mar 9 | Feb 18 | Jan 21 | Nov 21 | Dec 12 | 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 University Park, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
University Park planting FAQ
When is the last spring frost in University Park, TX?
University Park's average last spring frost falls near March 2 — 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 University Park, TX?
In University Park, the first 32°F freeze of fall lands around November 29 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is University Park in?
University Park is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in University Park?
University Park has about 272 frost-free days — a long growing season — between the average last spring frost (March 2) and first fall frost (November 29).
When should I plant tomatoes in University Park?
For University Park, sow tomatoes indoors about January 5–January 19 and move the seedlings out around March 9, after the last spring frost.
Never miss a window in University Park
An email when it’s time to start seeds, transplant, and sow — timed to University Park’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Dallas · 7 km
- Farmers Branch · 12 km
- Addison · 13 km
- Richardson · 16 km
- Irving · 16 km
- Garland · 17 km
- Carrollton · 18 km
- Mesquite · 22 km
Frost dates recorded at DALLAS LOVE FLD, 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 University Park, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013960. Retrieved from https://blissgarden.com/texas/university-park.