When to plant in Red Oak, TX
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Red Oak, Texas — all computed from Red Oak's nearest NOAA weather station.
With about 245 frost-free days, Red Oak supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 8b means many perennials and even some tender shrubs overwinter in Red Oak, while your frost dates still decide when annuals go out.
Frost probability
WAXAHACHIE · 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 Red Oak’s own odds, recorded at WAXAHACHIE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 15 | Mar 30 | Mar 9 | Oct 24 | Nov 7 | Nov 24 |
| 32°F | Apr 3 | Mar 16 | Feb 26 | Oct 31 | Nov 16 | Dec 5 |
| 28°F | Mar 20 | Mar 3 | Feb 9 | Nov 8 | Nov 29 | Dec 19 |
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 Red Oak, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Red Oak planting FAQ
When is the last spring frost in Red Oak, TX?
On average, the last spring frost in Red Oak is around March 16 (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 Red Oak, TX?
In Red Oak, the first 32°F freeze of fall lands around November 16 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Red Oak in?
Red Oak is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Red Oak?
There are roughly 245 frost-free days in Red Oak (a long growing season), running from the average last frost around March 16 to the first fall frost near November 16.
When should I plant tomatoes in Red Oak?
In Red Oak, start tomato seeds indoors around January 19–February 2, then transplant seedlings outdoors around March 23 once the danger of frost has passed.
Never miss a window in Red Oak
An email when it’s time to start seeds, transplant, and sow — timed to Red Oak’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Glenn Heights · 8 km
- Lancaster · 10 km
- DeSoto · 12 km
- Waxahachie · 13 km
- Cedar Hill · 18 km
- Duncanville · 19 km
- Midlothian · 20 km
- Ennis · 25 km
Frost dates recorded at WAXAHACHIE, 11 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 Red Oak, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00419522. Retrieved from https://blissgarden.com/texas/red-oak.