When to plant in Agoura Hills, CA
USDA Zone 10bEverything below — frost dates, hardiness zone, and what to plant when in Agoura Hills, California — is derived from the closest NOAA station with complete climate normals.
With about 325 frost-free days, Agoura Hills supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. These dates come from a station roughly 18 km away, the closest with full normals; terrain around Agoura Hills (elevation, water, pavement) can move your real frost dates a few days either way. In zone 10b, frost is a minor factor for Agoura Hills — most perennials thrive, and annual vegetables can go out early and stay late.
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 Agoura Hills’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 Agoura Hills, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 26 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.
Agoura Hills planting FAQ
When is the last spring frost in Agoura Hills, CA?
Agoura Hills's average last spring frost falls near January 24 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Agoura Hills, CA?
Expect Agoura Hills's first fall frost near December 15 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Agoura Hills in?
Agoura Hills is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Agoura Hills?
Agoura Hills has about 325 frost-free days — a long growing season — between the average last spring frost (January 24) and first fall frost (December 15).
When should I plant tomatoes in Agoura Hills?
For Agoura Hills, sow tomatoes indoors about November 29–December 13 and move the seedlings out around January 31, after the last spring frost.
Never miss a window in Agoura Hills
An email when it’s time to start seeds, transplant, and sow — timed to Agoura Hills’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Oak Park · 4 km
- Calabasas · 9 km
- Thousand Oaks · 11 km
- Simi Valley · 13 km
- Malibu · 14 km
- Moorpark · 18 km
- Camarillo · 26 km
- Santa Monica · 29 km
Frost dates recorded at WOODLAND HILLS PIERCE COLLEGE, 18 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 Agoura Hills, CA — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00049785. Retrieved from https://blissgarden.com/california/agoura-hills.