Frost Dates for Nevada City, CA 95959

Last spring frost May 12 · First fall frost October 28 · 169 frost-free days · USDA Zone 9a

ZIP 95959 has about 17,700 people.

Moderate season: 169 frost-free days. Spring frost risk spans April 18–June 2 (45 days). Fall frost risk spans October 4–November 21 (48 days).

Frost probability for 95959

Frost10%50%90%
Spring (last frost)June 2May 12April 18
Fall (first frost)October 4October 28November 21

Dates come from NOAA 1971–2000 freeze probabilities at BLUE CANYON NYACK AP (15.7 km away); the 50% date is the median year.

Which crops fit a 169-day season in Nevada City

In Nevada City (169 frost-free days, a moderate season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoApr 7May 26–Jun 2127fits: 80 days to maturity, 127 available after May 26.Jun 28
PepperMar 31May 26–Jun 2127fits: 75 days to maturity, 127 available after May 26.Jul 3
LettuceMar 17Apr 14–Apr 21204two-plantings: Plant Apr 14 and again by Sep 6; both mature before Nov 4.Sep 6
Carrots—Apr 21–Apr 28211fits: 70 days to maturity, 211 available after Apr 21.Aug 26
CucumberApr 21May 26–Jun 2141two-plantings: Plant May 26 and again by Aug 1; both mature before Oct 14.Aug 1
Beans—May 19–Jun 2155two-plantings: Plant May 19 and again by Aug 8; both mature before Oct 21.Aug 8
Peas—Mar 17–May 26232fits: 65 days to maturity, 232 available after Mar 17.Aug 17
ZucchiniApr 28May 26–Jun 2141two-plantings: Plant May 26 and again by Aug 6; both mature before Oct 14.Aug 6
OnionFeb 17Apr 14–Apr 28204fits: 100 days to maturity, 204 available after Apr 14.—
Spinach—Mar 17–May 5246two-plantings: Plant Mar 17 and again by Sep 25; both mature before Nov 18.Sep 25
KaleMar 3Apr 14–Apr 28218two-plantings: Plant Apr 14 and again by Sep 10; both mature before Nov 18.Sep 10
BroccoliMar 17Apr 14–Apr 28204fits: 80 days to maturity, 204 available after Apr 14.Aug 2
CabbageMar 17Apr 14–Apr 28218fits: 70 days to maturity, 218 available after Apr 14.Aug 26
Radish—Mar 17–Jun 9232two-plantings: Plant Mar 17 and again by Sep 26; both mature before Nov 4.Sep 26
Beets—Mar 17–Jun 9232two-plantings: Plant Mar 17 and again by Aug 27; both mature before Nov 4.Aug 27
Potatoes—Apr 28–May 5190fits: 90 days to maturity, 190 available after Apr 28.—
Garlic—Oct 28274overwinter: Plant Oct 28 to Nov 18; harvest the following summer.Nov 18
Strawberry—Apr 7–Jun 2225perennial: A perennial: plant Apr 7; it fruits from the following year and keeps producing for several years.—
CornApr 14May 19–May 26141fits: 75 days to maturity, 141 available after May 19.Jul 10
PumpkinApr 28May 26–May 26134fits: 100 days to maturity, 134 available after May 26.Jun 15
CauliflowerMar 31May 5–May 19183fits: 75 days to maturity, 183 available after May 5.Aug 7
Swiss ChardMar 17Apr 28–Apr 28190two-plantings: Plant Apr 28 and again by Aug 27; both mature before Nov 4.Aug 27
Arugula—Mar 17–Jun 9246two-plantings: Plant Mar 17 and again by Sep 25; both mature before Nov 18.Sep 25
Brussel SproutsMar 17Apr 14–Apr 28218fits: 100 days to maturity, 218 available after Apr 14.Jul 27
Butternut SquashApr 28May 26–Jun 2134fits: 100 days to maturity, 134 available after May 26.Jun 15
EggplantMar 24May 26–Jun 2127fits: 70 days to maturity, 127 available after May 26.Jul 8
OkraApr 14May 19–May 26148two-plantings: Plant May 19 and again by Aug 6; both mature before Oct 14.Aug 6
BasilApr 7Jun 2–Jun 2134two-plantings: Plant Jun 2 and again by Aug 1; both mature before Oct 14.Aug 1
Cilantro—Apr 14–May 5204two-plantings: Plant Apr 14 and again by Sep 1; both mature before Nov 4.Sep 1
ParsleyMar 3May 19–May 26169fits: 70 days to maturity, 169 available after May 19.Aug 12
CeleryMar 3May 19–Jun 2169fits: 120 days to maturity, 169 available after May 19.Jun 23
ScallionsMar 3Apr 14–Apr 28218two-plantings: Plant Apr 14 and again by Sep 5; both mature before Nov 18.Sep 5
Turnip—Apr 14–Apr 28218two-plantings: Plant Apr 14 and again by Sep 15; both mature before Nov 18.Sep 15
Kohlrabi—Mar 31–Apr 14232two-plantings: Plant Mar 31 and again by Sep 10; both mature before Nov 18.Sep 10
Bok ChoyApr 14May 5–May 12183two-plantings: Plant May 5 and again by Sep 6; both mature before Nov 4.Sep 6
CollardsMar 3Apr 14–Apr 28218two-plantings: Plant Apr 14 and again by Sep 5; both mature before Nov 18.Sep 5
CantaloupeApr 28May 26–Jun 2127fits: 85 days to maturity, 127 available after May 26.Jun 23
ChivesFeb 17May 19–May 26183fits: 90 days to maturity, 183 available after May 19.—
Dill—Mar 17–Jun 9232two-plantings: Plant Mar 17 and again by Aug 27; both mature before Nov 4.Aug 27
OreganoMar 3May 19–May 26183fits: 80 days to maturity, 183 available after May 19.—
RosemaryFeb 17May 19–May 26169fits: 80 days to maturity, 169 available after May 19.—
SageMar 17May 19–May 26183fits: 75 days to maturity, 183 available after May 19.—
ThymeMar 3May 19–May 26183fits: 90 days to maturity, 183 available after May 19.—
CalendulaMar 31Apr 28–May 12190two-plantings: Plant Apr 28 and again by Sep 1; both mature before Nov 4.Sep 1
CosmosApr 14May 12–May 26155two-plantings: Plant May 12 and again by Aug 1; both mature before Oct 14.Aug 1
LavenderFeb 17May 12–May 26190fits: 90 days to maturity, 190 available after May 12.—
MarigoldsMar 31May 12–May 19155two-plantings: Plant May 12 and again by Aug 11; both mature before Oct 14.Aug 11
MelonsApr 28May 26–Jun 2127fits: 85 days to maturity, 127 available after May 26.Jun 23
Mint—May 12–May 26190fits: 90 days to maturity, 190 available after May 12.—
NasturtiumsApr 14May 12–May 19155two-plantings: Plant May 12 and again by Aug 6; both mature before Oct 14.Aug 6
Pole Beans—May 19–Jun 2148fits: 65 days to maturity, 148 available after May 19.Jul 27
Spaghetti SquashApr 28May 26–Jun 2134fits: 90 days to maturity, 134 available after May 26.Jun 25
Sunflowers—May 12–May 26155fits: 70 days to maturity, 155 available after May 12.Jul 22
TomatillosMar 17May 19–May 26134fits: 75 days to maturity, 134 available after May 19.Jul 3
WatermelonApr 28May 19–May 26134fits: 80 days to maturity, 134 available after May 19.Jun 28
Yellow SquashApr 28May 26–Jun 2141two-plantings: Plant May 26 and again by Aug 6; both mature before Oct 14.Aug 6
ZinniasApr 14May 12–May 26155two-plantings: Plant May 12 and again by Aug 1; both mature before Oct 14.Aug 1

Month by month in Nevada City

MonthWhat to do
JanuaryPlan your garden layout and order seeds. Research varieties suited to your frost dates.
FebruaryStart indoors: Chives (Feb 17), Lavender (Feb 17), Onion (Feb 17), Rosemary (Feb 17).
MarchStart indoors: Celery (Mar 3), Collards (Mar 3), Kale (Mar 3), Oregano (Mar 3), Parsley (Mar 3), Scallions (Mar 3), +13 more. Direct sow from: Arugula (Mar 17), Beets (Mar 17), Dill (Mar 17), Peas (Mar 17), Radish (Mar 17), Spinach (Mar 17), +1 more.
AprilStart indoors: Basil (Apr 7), Tomato (Apr 7), Bok Choy (Apr 14), Corn (Apr 14), Cosmos (Apr 14), Nasturtiums (Apr 14), +11 more. Direct sow from: Cilantro (Apr 14), Turnip (Apr 14), Carrots (Apr 21), Potatoes (Apr 28). Transplant from: Broccoli (Apr 14), Brussel Sprouts (Apr 14), Cabbage (Apr 14), Collards (Apr 14), Kale (Apr 14), Lettuce (Apr 14), +4 more. Plant: Strawberry (Apr 7).
MayDirect sow from: Sunflowers (May 12), Beans (May 19), Pole Beans (May 19). Transplant from: Bok Choy (May 5), Cauliflower (May 5), Cosmos (May 12), Lavender (May 12), Marigolds (May 12), Mint (May 12), +24 more. Last frost around May 12.
JuneTransplant from: Basil (Jun 2). Last sowing dates: Butternut Squash (Jun 15), Pumpkin (Jun 15), Cantaloupe (Jun 23), Celery (Jun 23), Melons (Jun 23), Spaghetti Squash (Jun 25), +2 more.
JulyLast sowing dates: Pepper (Jul 3), Tomatillos (Jul 3), Eggplant (Jul 8), Corn (Jul 10), Sunflowers (Jul 22), Brussel Sprouts (Jul 27), +1 more.
AugustLast sowing dates: Basil (Aug 1), Cosmos (Aug 1), Cucumber (Aug 1), Zinnias (Aug 1), Broccoli (Aug 2), Nasturtiums (Aug 6), +13 more.
SeptemberLast sowing dates: Calendula (Sep 1), Cilantro (Sep 1), Collards (Sep 5), Scallions (Sep 5), Bok Choy (Sep 6), Lettuce (Sep 6), +6 more.
OctoberDirect sow from: Garlic (Oct 28). First frost around October 28.
NovemberLast sowing dates: Garlic (Nov 18).
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

Frequently Asked Questions

What is the last frost date for Nevada City, CA (ZIP 95959)?

The median last spring frost date for Nevada City, CA (ZIP code 95959) is around May 12. 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 April 18; one in ten it runs past June 2.

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

The median first fall frost date for Nevada City, CA is around October 28. 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 October 4 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

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

The frost-free growing season in Nevada City is about 169 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 Nevada City (169 frost-free days, a moderate season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Nevada City, CA?

Nevada City, CA is in USDA hardiness zone 9a (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 Nevada City, CA?

Start tomatoes indoors Apr 7 and plant out May 26 in Nevada 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 Nevada City?

Two: plant Apr 14 and again by Sep 6; both mature before Nov 4.

When do I plant garlic in Nevada City?

Oct 28 to Nov 18; it overwinters and is ready the following summer.

Which nearby ZIP has a longer season?

Grass Valley (ZIP 95945) has 200 frost-free days, 31 more than Nevada City (ZIP 95959). See Grass Valley ZIP 95945 frost dates

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