When to plant in Hewitt, TX
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in Hewitt, Texas — is derived from the closest NOAA station with complete climate normals.
A generous ~256-day season lets Hewitt gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Hewitt's nearest full-normals station sits about 17 km out, so treat these as a close estimate — local microclimate can nudge your first and last frost. In zone 8b, Hewitt supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
WACO 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 Hewitt’s own odds, recorded at WACO DAM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 13 | Mar 24 | Mar 2 | Oct 26 | Nov 10 | Nov 27 |
| 32°F | Apr 4 | Mar 9 | Feb 17 | Nov 2 | Nov 20 | Dec 9 |
| 28°F | Mar 21 | Feb 25 | Jan 27 | Nov 12 | Dec 3 | Jan 1 |
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 Hewitt, 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.
Hewitt planting FAQ
When is the last spring frost in Hewitt, TX?
Plan for the last spring frost in Hewitt around March 9 (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 Hewitt, TX?
The first fall frost in Hewitt typically arrives around November 20 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Hewitt in?
Hewitt is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Hewitt?
Hewitt has about 256 frost-free days — a long growing season — between the average last spring frost (March 9) and first fall frost (November 20).
When should I plant tomatoes in Hewitt?
For Hewitt, sow tomatoes indoors about January 12–January 26 and move the seedlings out around March 16, after the last spring frost.
Never miss a window in Hewitt
An email when it’s time to start seeds, transplant, and sow — timed to Hewitt’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Robinson · 7 km
- Waco · 12 km
- Bellmead · 19 km
- Temple · 43 km
- Belton · 52 km
- Gatesville · 52 km
- Harker Heights · 61 km
- Killeen · 66 km
Frost dates recorded at WACO DAM, 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 Hewitt, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00419417. Retrieved from https://blissgarden.com/texas/hewitt.