When to plant in Santa Cruz, CA
USDA Zone 9bSanta Cruz, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Santa Cruz enjoys a long ~318-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9b is warm enough that Santa Cruz can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average first fall frost in Santa Cruz is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SANTA CRUZ · 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 Santa Cruz’s own odds, recorded at SANTA CRUZ.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 12 | Mar 14 | Feb 4 | Nov 7 | Nov 24 | Dec 15 |
| 32°F | Feb 28 | Jan 29 | Dec 25 | Nov 23 | Dec 13 | Jan 22 |
| 28°F | Jan 31 | Jan 3 | Dec 12 | Dec 6 | Dec 27 | Jan 27 |
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 Santa Cruz, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 22 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.
Santa Cruz planting FAQ
When is the last spring frost in Santa Cruz, CA?
Plan for the last spring frost in Santa Cruz around January 29 (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 Santa Cruz, CA?
In Santa Cruz, the first 32°F freeze of fall lands around December 13 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Santa Cruz in?
Santa Cruz is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Santa Cruz?
There are roughly 318 frost-free days in Santa Cruz (a long growing season), running from the average last frost around January 29 to the first fall frost near December 13.
When should I plant tomatoes in Santa Cruz?
In Santa Cruz, start tomato seeds indoors around December 4–December 18, then transplant seedlings outdoors around February 5 once the danger of frost has passed.
Never miss a window in Santa Cruz
An email when it’s time to start seeds, transplant, and sow — timed to Santa Cruz’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Live Oak · 5 km
- Soquel · 8 km
- Scotts Valley · 9 km
- Watsonville · 24 km
- Los Gatos · 29 km
- Saratoga · 33 km
- Campbell · 35 km
- Prunedale · 38 km
Frost dates recorded at SANTA CRUZ, 4 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 Santa Cruz, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00047916. Retrieved from https://blissgarden.com/california/santa-cruz.