When to plant in Calabasas, CA
USDA Zone 10bCalabasas, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Calabasas enjoys a long ~325-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 10b is warm enough that Calabasas can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
WOODLAND HILLS PIERCE COLLEGE · 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 Calabasas’s own odds, recorded at WOODLAND HILLS PIERCE COLLEGE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 7 | Mar 2 | Jan 30 | Nov 12 | Nov 29 | Dec 19 |
| 32°F | Mar 5 | Jan 24 | Dec 21 | Nov 27 | Dec 15 | Jan 26 |
| 28°F | Feb 1 | Dec 31 | Dec 5 | Dec 1 | Dec 26 | Jan 25 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Calabasas, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 18 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.
Calabasas planting FAQ
When is the last spring frost in Calabasas, CA?
On average, the last spring frost in Calabasas is around January 24 (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 Calabasas, CA?
In Calabasas, the first 32°F freeze of fall lands around December 15 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Calabasas in?
Calabasas is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Calabasas?
There are roughly 325 frost-free days in Calabasas (a long growing season), running from the average last frost around January 24 to the first fall frost near December 15.
When should I plant tomatoes in Calabasas?
In Calabasas, start tomato seeds indoors around November 29–December 13, then transplant seedlings outdoors around January 31 once the danger of frost has passed.
Never miss a window in Calabasas
An email when it’s time to start seeds, transplant, and sow — timed to Calabasas’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Agoura Hills · 9 km
- Oak Park · 11 km
- Malibu · 15 km
- Simi Valley · 17 km
- Thousand Oaks · 20 km
- Santa Monica · 21 km
- Beverly Hills · 25 km
- Moorpark · 26 km
Frost dates recorded at WOODLAND HILLS PIERCE COLLEGE, 10 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 Calabasas, CA — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00049785. Retrieved from https://blissgarden.com/california/calabasas.