When to plant in Frisco, TX
USDA Zone 8bFrisco, 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 ~259-day season lets Frisco gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. These dates come from a station roughly 19 km away, the closest with full normals; terrain around Frisco (elevation, water, pavement) can move your real frost dates a few days either way. Zone 8b means many perennials and even some tender shrubs overwinter in Frisco, while your frost dates still decide when annuals go out.
Frost probability
RICHARDSON · 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 Frisco’s own odds, recorded at RICHARDSON.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 11 | Mar 21 | Mar 2 | Oct 23 | Nov 10 | Nov 27 |
| 32°F | Mar 29 | Mar 7 | Feb 18 | Nov 2 | Nov 21 | Dec 9 |
| 28°F | Mar 12 | Feb 24 | Jan 27 | Nov 14 | Dec 4 | Dec 26 |
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 Frisco, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 22 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.
Frisco planting FAQ
When is the last spring frost in Frisco, TX?
Frisco's average last spring frost falls near March 7 — 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 Frisco, TX?
Expect Frisco's first fall frost near November 21 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Frisco in?
Frisco is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Frisco?
There are roughly 259 frost-free days in Frisco (a long growing season), running from the average last frost around March 7 to the first fall frost near November 21.
When should I plant tomatoes in Frisco?
In Frisco, start tomato seeds indoors around January 10–January 24, then transplant seedlings outdoors around March 14 once the danger of frost has passed.
Never miss a window in Frisco
An email when it’s time to start seeds, transplant, and sow — timed to Frisco’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Prosper · 10 km
- Little Elm · 10 km
- The Colony · 10 km
- Plano · 14 km
- Allen · 15 km
- McKinney · 16 km
- Lewisville · 18 km
- Celina · 19 km
Frost dates recorded at RICHARDSON, 19 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 Frisco, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00417588. Retrieved from https://blissgarden.com/texas/frisco.