When to plant in Lake Los Angeles, CA
USDA Zone 8bLake Los Angeles, 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 263 frost-free days, Lake Los Angeles supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 8b means many perennials and even some tender shrubs overwinter in Lake Los Angeles, while your frost dates still decide when annuals go out.
Frost probability
PEARBLOSSOM · 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 Lake Los Angeles’s own odds, recorded at PEARBLOSSOM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 9 | Apr 14 | Mar 14 | Oct 28 | Nov 16 | Dec 3 |
| 32°F | Apr 17 | Mar 13 | Feb 10 | Nov 12 | Dec 1 | Dec 18 |
| 28°F | Mar 18 | Feb 9 | Dec 30 | Nov 25 | Dec 12 | Jan 16 |
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 Lake Los Angeles, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Lake Los Angeles planting FAQ
When is the last spring frost in Lake Los Angeles, CA?
Lake Los Angeles's average last spring frost falls near March 13 — 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 Lake Los Angeles, CA?
In Lake Los Angeles, the first 32°F freeze of fall lands around December 1 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Lake Los Angeles in?
Lake Los Angeles is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Lake Los Angeles?
There are roughly 263 frost-free days in Lake Los Angeles (a long growing season), running from the average last frost around March 13 to the first fall frost near December 1.
When should I plant tomatoes in Lake Los Angeles?
In Lake Los Angeles, start tomato seeds indoors around January 16–January 30, then transplant seedlings outdoors around March 20 once the danger of frost has passed.
Never miss a window in Lake Los Angeles
An email when it’s time to start seeds, transplant, and sow — timed to Lake Los Angeles’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sun Village · 13 km
- Palmdale · 25 km
- Lancaster · 33 km
- Phelan · 34 km
- Quartz Hill · 36 km
- Adelanto · 36 km
- Victorville · 45 km
- Rosamond · 45 km
Frost dates recorded at PEARBLOSSOM, 13 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 Lake Los Angeles, CA — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00046773. Retrieved from https://blissgarden.com/california/lake-los-angeles.