Frost Dates for Redwood City, CA 94062

Redwood City has 4 ZIP codes. The Redwood City, CA frost page lists all of them with their dates.

Last spring frost January 28 · First fall frost November 30 · 306 frost-free days · USDA Zone 10a

ZIP 94062 has about 25,800 people, one of 4 ZIP codes in Redwood City.

Very long season: 306 frost-free days. Spring frost risk spans January 12–March 7 (54 days). Fall frost risk spans November 18–January 10 (53 days).

Frost probability for 94062

Frost10%50%90%
Spring (last frost)March 7January 28January 12
Fall (first frost)November 18November 30January 10

Dates come from NOAA 1971–2000 freeze probabilities at REDWOOD CITY (7.6 km away); the 50% date is the median year.

Which crops fit a 306-day season in Redwood City

In Redwood City (306 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoDec 24Feb 11–Feb 18264fits: 80 days to maturity, 264 available after Feb 11.Jul 31
PepperDec 17Feb 11–Feb 18264fits: 75 days to maturity, 264 available after Feb 11.Aug 5
LettuceDec 3Dec 31–Jan 7341two-plantings: Plant Dec 31 and again by Oct 9; both mature before Dec 7.Oct 9
Carrots—Jan 7–Jan 14348fits: 70 days to maturity, 348 available after Jan 7.Sep 28
CucumberJan 7Feb 11–Feb 18278two-plantings: Plant Feb 11 and again by Sep 3; both mature before Nov 16.Sep 3
Beans—Feb 4–Feb 18292two-plantings: Plant Feb 4 and again by Sep 10; both mature before Nov 23.Sep 10
Peas—Dec 3–Feb 11369fits: 65 days to maturity, 369 available after Dec 3.Sep 19
ZucchiniJan 14Feb 11–Feb 18278two-plantings: Plant Feb 11 and again by Sep 8; both mature before Nov 16.Sep 8
OnionNov 5Dec 31–Jan 14341fits: 100 days to maturity, 341 available after Dec 31.—
Spinach—Dec 3–Jan 21383two-plantings: Plant Dec 3 and again by Oct 28; both mature before Dec 21.Oct 28
KaleNov 19Dec 31–Jan 14355two-plantings: Plant Dec 31 and again by Oct 13; both mature before Dec 21.Oct 13
BroccoliDec 3Dec 31–Jan 14341fits: 80 days to maturity, 341 available after Dec 31.Sep 4
CabbageDec 3Dec 31–Jan 14355fits: 70 days to maturity, 355 available after Dec 31.Sep 28
Radish—Dec 3–Feb 25369two-plantings: Plant Dec 3 and again by Oct 29; both mature before Dec 7.Oct 29
Beets—Dec 3–Feb 25369two-plantings: Plant Dec 3 and again by Sep 29; both mature before Dec 7.Sep 29
Potatoes—Jan 14–Jan 21327fits: 90 days to maturity, 327 available after Jan 14.—
Garlic—Nov 30411overwinter: Plant Nov 30 to Dec 21; harvest the following summer.Dec 21
Strawberry—Dec 24–Feb 18362perennial: A perennial: plant Dec 24; it fruits from the following year and keeps producing for several years.—
CornDec 31Feb 4–Feb 11278fits: 75 days to maturity, 278 available after Feb 4.Aug 12
PumpkinJan 14Feb 11–Feb 11271fits: 100 days to maturity, 271 available after Feb 11.Jul 18
CauliflowerDec 17Jan 21–Feb 4320fits: 75 days to maturity, 320 available after Jan 21.Sep 9
Swiss ChardDec 3Jan 14–Jan 14327two-plantings: Plant Jan 14 and again by Sep 29; both mature before Dec 7.Sep 29
Arugula—Dec 3–Feb 25383two-plantings: Plant Dec 3 and again by Oct 28; both mature before Dec 21.Oct 28
Brussel SproutsDec 3Dec 31–Jan 14355fits: 100 days to maturity, 355 available after Dec 31.Aug 29
Butternut SquashJan 14Feb 11–Feb 18271fits: 100 days to maturity, 271 available after Feb 11.Jul 18
EggplantDec 10Feb 11–Feb 18264fits: 70 days to maturity, 264 available after Feb 11.Aug 10
OkraDec 31Feb 4–Feb 11285two-plantings: Plant Feb 4 and again by Sep 8; both mature before Nov 16.Sep 8
BasilDec 24Feb 18–Feb 18271two-plantings: Plant Feb 18 and again by Sep 3; both mature before Nov 16.Sep 3
Cilantro—Dec 31–Jan 21341two-plantings: Plant Dec 31 and again by Oct 4; both mature before Dec 7.Oct 4
ParsleyNov 19Feb 4–Feb 11306fits: 70 days to maturity, 306 available after Feb 4.Sep 14
CeleryNov 19Feb 4–Feb 18306fits: 120 days to maturity, 306 available after Feb 4.Jul 26
ScallionsNov 19Dec 31–Jan 14355two-plantings: Plant Dec 31 and again by Oct 8; both mature before Dec 21.Oct 8
Turnip—Dec 31–Jan 14355two-plantings: Plant Dec 31 and again by Oct 18; both mature before Dec 21.Oct 18
Kohlrabi—Dec 17–Dec 31369two-plantings: Plant Dec 17 and again by Oct 13; both mature before Dec 21.Oct 13
Bok ChoyDec 31Jan 21–Jan 28320two-plantings: Plant Jan 21 and again by Oct 9; both mature before Dec 7.Oct 9
CollardsNov 19Dec 31–Jan 14355two-plantings: Plant Dec 31 and again by Oct 8; both mature before Dec 21.Oct 8
CantaloupeJan 14Feb 11–Feb 18264fits: 85 days to maturity, 264 available after Feb 11.Jul 26
ChivesNov 5Feb 4–Feb 11320fits: 90 days to maturity, 320 available after Feb 4.—
Dill—Dec 3–Feb 25369two-plantings: Plant Dec 3 and again by Sep 29; both mature before Dec 7.Sep 29
OreganoNov 19Feb 4–Feb 11320fits: 80 days to maturity, 320 available after Feb 4.—
RosemaryNov 5Feb 4–Feb 11306fits: 80 days to maturity, 306 available after Feb 4.—
SageDec 3Feb 4–Feb 11320fits: 75 days to maturity, 320 available after Feb 4.—
ThymeNov 19Feb 4–Feb 11320fits: 90 days to maturity, 320 available after Feb 4.—
CalendulaDec 17Jan 14–Jan 28327two-plantings: Plant Jan 14 and again by Oct 4; both mature before Dec 7.Oct 4
CosmosDec 31Jan 28–Feb 11292two-plantings: Plant Jan 28 and again by Sep 3; both mature before Nov 16.Sep 3
LavenderNov 5Jan 28–Feb 11327fits: 90 days to maturity, 327 available after Jan 28.—
MarigoldsDec 17Jan 28–Feb 4292two-plantings: Plant Jan 28 and again by Sep 13; both mature before Nov 16.Sep 13
MelonsJan 14Feb 11–Feb 18264fits: 85 days to maturity, 264 available after Feb 11.Jul 26
Mint—Jan 28–Feb 11327fits: 90 days to maturity, 327 available after Jan 28.—
NasturtiumsDec 31Jan 28–Feb 4292two-plantings: Plant Jan 28 and again by Sep 8; both mature before Nov 16.Sep 8
Pole Beans—Feb 4–Feb 18285fits: 65 days to maturity, 285 available after Feb 4.Aug 29
Spaghetti SquashJan 14Feb 11–Feb 18271fits: 90 days to maturity, 271 available after Feb 11.Jul 28
Sunflowers—Jan 28–Feb 11292fits: 70 days to maturity, 292 available after Jan 28.Aug 24
TomatillosDec 3Feb 4–Feb 11271fits: 75 days to maturity, 271 available after Feb 4.Aug 5
WatermelonJan 14Feb 4–Feb 11271fits: 80 days to maturity, 271 available after Feb 4.Jul 31
Yellow SquashJan 14Feb 11–Feb 18278two-plantings: Plant Feb 11 and again by Sep 8; both mature before Nov 16.Sep 8
ZinniasDec 31Jan 28–Feb 11292two-plantings: Plant Jan 28 and again by Sep 3; both mature before Nov 16.Sep 3

Month by month in Redwood City

MonthWhat to do
JanuaryStart indoors: Cucumber (Jan 7), Butternut Squash (Jan 14), Cantaloupe (Jan 14), Melons (Jan 14), Pumpkin (Jan 14), Spaghetti Squash (Jan 14), +3 more. Direct sow from: Carrots (Jan 7), Potatoes (Jan 14), Sunflowers (Jan 28). Transplant from: Calendula (Jan 14), Swiss Chard (Jan 14), Bok Choy (Jan 21), Cauliflower (Jan 21), Cosmos (Jan 28), Lavender (Jan 28), +4 more. Last frost around January 28.
FebruaryDirect sow from: Beans (Feb 4), Pole Beans (Feb 4). Transplant from: Celery (Feb 4), Chives (Feb 4), Corn (Feb 4), Okra (Feb 4), Oregano (Feb 4), Parsley (Feb 4), +17 more.
MarchSuccession plant lettuce and greens. Keep beds weeded and watered consistently.
AprilHarvest regularly to encourage production. Monitor for pests and disease.
MayMidsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall.
JuneDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
JulyLast sowing dates: Butternut Squash (Jul 18), Pumpkin (Jul 18), Cantaloupe (Jul 26), Celery (Jul 26), Melons (Jul 26), Spaghetti Squash (Jul 28), +2 more.
AugustLast sowing dates: Pepper (Aug 5), Tomatillos (Aug 5), Eggplant (Aug 10), Corn (Aug 12), Sunflowers (Aug 24), Brussel Sprouts (Aug 29), +1 more.
SeptemberLast sowing dates: Basil (Sep 3), Cosmos (Sep 3), Cucumber (Sep 3), Zinnias (Sep 3), Broccoli (Sep 4), Nasturtiums (Sep 8), +13 more.
OctoberLast sowing dates: Calendula (Oct 4), Cilantro (Oct 4), Collards (Oct 8), Scallions (Oct 8), Bok Choy (Oct 9), Lettuce (Oct 9), +6 more.
NovemberStart indoors: Chives (Nov 5), Lavender (Nov 5), Onion (Nov 5), Rosemary (Nov 5), Celery (Nov 19), Collards (Nov 19), +5 more. Direct sow from: Garlic (Nov 30). First frost around November 30.
DecemberStart indoors: Broccoli (Dec 3), Brussel Sprouts (Dec 3), Cabbage (Dec 3), Lettuce (Dec 3), Sage (Dec 3), Swiss Chard (Dec 3), +14 more. Direct sow from: Arugula (Dec 3), Beets (Dec 3), Dill (Dec 3), Peas (Dec 3), Radish (Dec 3), Spinach (Dec 3), +3 more. Transplant from: Broccoli (Dec 31), Brussel Sprouts (Dec 31), Cabbage (Dec 31), Collards (Dec 31), Kale (Dec 31), Lettuce (Dec 31), +2 more. Plant: Strawberry (Dec 24). Last sowing dates: Garlic (Dec 21).

Frequently Asked Questions

What is the last frost date for Redwood City, CA (ZIP 94062)?

The median last spring frost date for Redwood City, CA (ZIP code 94062) is around January 28. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before January 12; one in ten it runs past March 7.

What is the first fall frost date in Redwood City, CA?

The median first fall frost date for Redwood City, CA is around November 30. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around November 18 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Redwood City, CA?

The frost-free growing season in Redwood City is about 306 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Redwood City (306 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Redwood City, CA?

Redwood City, CA is in USDA hardiness zone 10a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.

When should I start tomatoes indoors in Redwood City, CA?

Start tomatoes indoors Dec 24 and plant out Feb 11 in Redwood City. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Redwood City?

Two: plant Dec 31 and again by Oct 9; both mature before Dec 7.

When do I plant garlic in Redwood City?

Nov 30 to Dec 21; it overwinters and is ready the following summer.

Can I get two tomato crops in Redwood City?

Yes: plant out Feb 11 for a summer crop, and set out a second round of transplants by Jul 31 for a fall crop.

Which nearby ZIP has a longer season?

San Carlos (ZIP 94070) has 317 frost-free days, 11 more than Redwood City (ZIP 94062). See San Carlos ZIP 94070 frost dates

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