When to plant in Wylie, TX
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in Wylie, Texas — is derived from the closest NOAA station with complete climate normals.
Wylie 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. In zone 8b, Wylie supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average first fall frost in Wylie is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
LAVON DAM · 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 Wylie’s own odds, recorded at LAVON DAM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 16 | Mar 26 | Mar 4 | Oct 25 | Nov 8 | Nov 25 |
| 32°F | Mar 31 | Mar 10 | Feb 20 | Nov 1 | Nov 19 | Dec 5 |
| 28°F | Mar 17 | Feb 26 | Feb 1 | Nov 13 | Dec 1 | Dec 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 Wylie, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
Wylie planting FAQ
When is the last spring frost in Wylie, TX?
On average, the last spring frost in Wylie is around March 10 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Wylie, TX?
In Wylie, the first 32°F freeze of fall lands around November 19 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Wylie in?
Wylie is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Wylie?
Wylie has about 254 frost-free days — a long growing season — between the average last spring frost (March 10) and first fall frost (November 19).
When should I plant tomatoes in Wylie?
For Wylie, sow tomatoes indoors about January 13–January 27 and move the seedlings out around March 17, after the last spring frost.
Never miss a window in Wylie
An email when it’s time to start seeds, transplant, and sow — timed to Wylie’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at LAVON DAM, 4 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 Wylie, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00415094. Retrieved from https://blissgarden.com/texas/wylie.