When to plant in Tehachapi, CA
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Tehachapi, California — all computed from Tehachapi's nearest NOAA weather station.
In zone 8b, Tehachapi supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
TEHACHAPI 4 SE · 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 Tehachapi’s own odds, recorded at TEHACHAPI 4 SE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 5 | May 16 | Apr 27 | Sep 26 | Oct 10 | Nov 1 |
| 32°F | May 21 | Apr 28 | Apr 11 | Oct 4 | Oct 26 | Nov 17 |
| 28°F | Apr 30 | Apr 12 | Mar 14 | Oct 22 | Nov 16 | Dec 5 |
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 Tehachapi, 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.
Tehachapi planting FAQ
When is the last spring frost in Tehachapi, CA?
On average, the last spring frost in Tehachapi is around April 28 (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 Tehachapi, CA?
The first fall frost in Tehachapi typically arrives around October 26 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Tehachapi in?
Tehachapi is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Tehachapi?
Tehachapi has about 181 frost-free days — a moderate growing season — between the average last spring frost (April 28) and first fall frost (October 26).
When should I plant tomatoes in Tehachapi?
For Tehachapi, sow tomatoes indoors about March 3–March 17 and move the seedlings out around May 5, after the last spring frost.
Never miss a window in Tehachapi
An email when it’s time to start seeds, transplant, and sow — timed to Tehachapi’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Arvin · 35 km
- Rosamond · 37 km
- Lamont · 45 km
- East Niles · 50 km
- California City · 52 km
- Potomac Park · 53 km
- Hillcrest · 53 km
- East Bakersfield · 55 km
Frost dates recorded at TEHACHAPI 4 SE, 5 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 Tehachapi, CA — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00048829. Retrieved from https://blissgarden.com/california/tehachapi.