When to plant in Rosedale, CA
USDA Zone 9bRosedale, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
With about 276 frost-free days, Rosedale supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 9b is warm enough that Rosedale can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
SHAFTER 6E · 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 Rosedale’s own odds, recorded at SHAFTER 6E.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 12 | Mar 20 | Feb 22 | Oct 20 | Nov 7 | Nov 22 |
| 32°F | Mar 9 | Feb 20 | Jan 17 | Nov 5 | Nov 23 | Dec 9 |
| 28°F | Feb 22 | Jan 22 | Dec 22 | Nov 21 | Dec 6 | Jan 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 Rosedale, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 15 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.
Rosedale planting FAQ
When is the last spring frost in Rosedale, CA?
Plan for the last spring frost in Rosedale around February 20 (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 Rosedale, CA?
Expect Rosedale's first fall frost near November 23 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Rosedale in?
Rosedale is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Rosedale?
There are roughly 276 frost-free days in Rosedale (a long growing season), running from the average last frost around February 20 to the first fall frost near November 23.
When should I plant tomatoes in Rosedale?
In Rosedale, start tomato seeds indoors around December 26–January 9, then transplant seedlings outdoors around February 27 once the danger of frost has passed.
Never miss a window in Rosedale
An email when it’s time to start seeds, transplant, and sow — timed to Rosedale’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Shafter · 10 km
- Bakersfield · 16 km
- Oildale · 17 km
- East Bakersfield · 21 km
- Potomac Park · 22 km
- Hillcrest · 22 km
- East Niles · 26 km
- Wasco · 27 km
Frost dates recorded at SHAFTER 6E, 12 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 Rosedale, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00048122. Retrieved from https://blissgarden.com/california/rosedale.