FrostDateByZip

Frost dates for 95044Redwood Estates, CA

The average last spring frost in Redwood Estates is March 21 and the average first fall frost is December 15, giving a typical growing season of about 275 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 21

Safer after Apr 28 (1-in-10 risk)

Average first fall frost
Dec 15

Possible by Nov 21 (1-in-10 risk)

Growing season
275 days

First frost typically in 42 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Mar 25 · Apr 26 · May 27Nov 4 · Nov 25 · Dec 15212 days100%
Frost / freeze (32°F)Jan 19 · Mar 21 · Apr 28Nov 21 · Dec 15 · Jan 30275 days98%
Hard freeze (28°F)Dec 15 · Jan 29 · Mar 30Dec 3 · Jan 4 · Mar 9361 days56%

Planting calendar for Redwood Estates

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsFeb 18 – Apr 26
TomatoesTransplant outdoorsApr 6 – Aug 25
PeppersStart seeds indoorsFeb 18 – Mar 21
PeppersTransplant outdoorsApr 20 – May 21
EggplantStart seeds indoorsMar 7 – Apr 5
EggplantTransplant outdoorsApr 20 – May 21
CucumbersSow outdoorsApr 20 – Sep 4
Summer squashSow outdoorsApr 6 – May 21
Winter squash & pumpkinsSow outdoorsApr 20 – May 21
Snap beansSow outdoorsApr 6 – Sep 27
Sweet cornSow outdoorsApr 6 – Aug 25
Watermelon & cantaloupeSow outdoorsApr 20 – May 21
OkraSow outdoorsApr 13 – May 6
PeasSow outdoors (spring)Feb 18 – Apr 5
PotatoesPlant outdoors (spring)Feb 18 – Apr 20
OnionsStart seeds indoors (spring)Jan 7 – Feb 3
OnionsTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (spring)Jan 31 – Mar 6
BroccoliTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (fall)Aug 15 – Aug 25
BroccoliTransplant outdoors (fall)Sep 14 – Sep 25
CabbageStart seeds indoors (spring)Jan 21 – Feb 18
CabbageTransplant outdoors (spring)Feb 18 – Mar 21
CabbageStart seeds indoors (fall)Aug 5 – Sep 4
CabbageTransplant outdoors (fall)Sep 4 – Oct 5
Leaf lettuceSow outdoors (spring)Feb 18 – May 6
Leaf lettuceSow outdoors (fall)Sep 4 – Oct 21
SpinachSow outdoors (spring)Feb 11 – Mar 27
SpinachSow outdoors (fall)Sep 21 – Oct 26
RadishesSow outdoors (spring)Feb 18 – Apr 10
RadishesSow outdoors (fall)Sep 4 – Nov 5
KaleSow outdoors (spring)Mar 7 – Mar 27
KaleSow outdoors (fall)Aug 28 – Oct 5
CarrotsSow outdoors (spring)Mar 21 – May 6
CarrotsSow outdoors (fall)Aug 5 – Sep 20
GarlicPlant outdoors (fall)Dec 5 – Jan 5

Where these dates come from

ZIP code 95044 is matched to the NOAA station Skyline Ridge Preserve, CA, 24.6 km away, at 2,270 ft elevation (715 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Skyline Ridge Preserve, CA (used)2,270 ftMar 21Dec 15
Los Gatos, CA365 ftFeb 2Dec 6
Ben Lomond #4, CA420 ftMar 25Nov 11
Santa Cruz, CA70 ftJan 29Dec 13

Frost dates near Redwood Estates

Frequently asked questions

When is the last frost in Redwood Estates, CA?
For ZIP code 95044, the average last spring frost (32°F) is March 21, based on NOAA 1991-2020 climate normals for the Skyline Ridge Preserve, CA weather station. There is a 1-in-10 chance of a frost after April 28.
When is the first frost in Redwood Estates, CA?
The average first fall frost (32°F) is December 15. There is a 1-in-10 chance of frost by November 21, so tender plants are at risk from that point on.
How long is the growing season in 95044?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 275 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.