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When to plant in Cameron Park, CA

USDA Zone 9b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Cameron Park, California — all computed from Cameron Park's nearest NOAA weather station.

In zone 9b, frost is a minor factor for Cameron Park — most perennials thrive, and annual vegetables can go out early and stay late.

Station · PLACERVILLE · 14.4 km
Last spring frost
March 31
50% chance · 32°F
First fall frost
November 21
50% chance · 32°F
Growing season
235 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Cameron ParkA year-band showing 32°F frost risk from January to December for Cameron Park: last spring frost around March 31, first fall frost around November 21, about 235 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Cameron Park is now 13 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

PLACERVILLE · 1991–2020

The 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 Cameron Park’s own odds, recorded at PLACERVILLE.

Frost-probability curves for Cameron ParkProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 31 and the first fall frost around November 21, giving about 235 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 14Apr 23Apr 6Oct 17Nov 6Nov 22
32°FApr 23Mar 31Feb 24Nov 1Nov 21Dec 7
28°FMar 21Feb 15Jan 14Nov 19Dec 5Jan 1

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowin 13 days
Brussels Sprouts
August 1August 15
Fall sowin 27 days
Rutabaga
August 15August 29

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Cameron Park, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 33 km · complete 32°F normals

When 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.

PLACERVILLE
Primary
14 km · 564 m elevation
SPRING
Mar 31
FALL
Nov 21
AUBURN
27 km · 394 m elevation
SPRING
Feb 25
FALL
Dec 5
GEORGETOWN RS
33 km · 915 m elevation
SPRING
Apr 12
FALL
Nov 21

Cameron Park planting FAQ

When is the last spring frost in Cameron Park, CA?

Plan for the last spring frost in Cameron Park around March 31 (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 Cameron Park, CA?

The first fall frost in Cameron Park typically arrives around November 21 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Cameron Park in?

Cameron Park is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.

How long is the growing season in Cameron Park?

Cameron Park has about 235 frost-free days — a long growing season — between the average last spring frost (March 31) and first fall frost (November 21).

When should I plant tomatoes in Cameron Park?

For Cameron Park, sow tomatoes indoors about February 3–February 17 and move the seedlings out around April 7, after the last spring frost.

Planting reminders

Never miss a window in Cameron Park

An email when it’s time to start seeds, transplant, and sow — timed to Cameron Park’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at PLACERVILLE, 14 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Cameron Park, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00046960. Retrieved from https://blissgarden.com/california/cameron-park.
When to Plant in Cameron Park, CA — Frost Dates & Zone 9b — BlissGarden