When to plant in Seagoville, TX
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in Seagoville, Texas — is derived from the closest NOAA station with complete climate normals.
Seagoville enjoys a long ~252-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Heads up: the nearest complete-normals station is about 17 km from Seagoville, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. In zone 8b, Seagoville supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Seagoville is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
FERRIS · 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 Seagoville’s own odds, recorded at FERRIS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 13 | Mar 26 | Mar 4 | Oct 26 | Nov 8 | Nov 24 |
| 32°F | Mar 31 | Mar 12 | Feb 21 | Nov 2 | Nov 19 | Dec 6 |
| 28°F | Mar 19 | Mar 1 | Jan 30 | Nov 13 | Dec 1 | Dec 27 |
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 Seagoville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 28 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.
Seagoville planting FAQ
When is the last spring frost in Seagoville, TX?
Plan for the last spring frost in Seagoville around March 12 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Seagoville, TX?
In Seagoville, 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 Seagoville in?
Seagoville is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Seagoville?
Seagoville has about 252 frost-free days — a long growing season — between the average last spring frost (March 12) and first fall frost (November 19).
When should I plant tomatoes in Seagoville?
For Seagoville, sow tomatoes indoors about January 15–January 29 and move the seedlings out around March 19, after the last spring frost.
Never miss a window in Seagoville
An email when it’s time to start seeds, transplant, and sow — timed to Seagoville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at FERRIS, 17 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 Seagoville, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00413133. Retrieved from https://blissgarden.com/texas/seagoville.