When to plant in Horizon City, TX
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in Horizon City, Texas — is derived from the closest NOAA station with complete climate normals.
A generous ~263-day season lets Horizon City gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Horizon City's nearest full-normals station sits about 23 km out, so treat these as a close estimate — local microclimate can nudge your first and last frost. In zone 8b, Horizon City 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 Horizon City is now 15 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
EL PASO INTL AP · 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 Horizon City’s own odds, recorded at EL PASO INTL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 5 | Mar 18 | Feb 28 | Oct 28 | Nov 10 | Nov 23 |
| 32°F | Mar 19 | Mar 2 | Feb 12 | Nov 6 | Nov 20 | Dec 2 |
| 28°F | Mar 7 | Feb 16 | Jan 25 | Nov 15 | Dec 1 | Dec 17 |
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 Horizon City, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 33 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.
Horizon City planting FAQ
When is the last spring frost in Horizon City, TX?
On average, the last spring frost in Horizon City is around March 2 (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 Horizon City, TX?
The first fall frost in Horizon City typically arrives around November 20 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Horizon City in?
Horizon City is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Horizon City?
Horizon City has about 263 frost-free days — a long growing season — between the average last spring frost (March 2) and first fall frost (November 20).
When should I plant tomatoes in Horizon City?
For Horizon City, sow tomatoes indoors about January 5–January 19 and move the seedlings out around March 9, after the last spring frost.
Never miss a window in Horizon City
An email when it’s time to start seeds, transplant, and sow — timed to Horizon City’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Socorro · 8 km
- San Elizario · 13 km
- Fort Bliss · 25 km
- El Paso · 29 km
- Sunland Park · 42 km
- Chaparral · 45 km
- Las Cruces · 91 km
- Alamogordo · 136 km
Frost dates recorded at EL PASO INTL AP, 23 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 Horizon City, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023044. Retrieved from https://blissgarden.com/texas/horizon-city.