Frost Dates for Rancho Mirage, CA 92270

Last spring frost January 10 · First fall frost October 13 · 276 frost-free days · USDA Zone 10a

ZIP 92270 has about 17,600 people.

Very long season: 276 frost-free days.

Frost probability for 92270

Frost10%50%90%
Spring (last frost)March 7January 10—
Fall (first frost)November 18October 13—

Dates come from NOAA 1971–2000 freeze probabilities at INDIO FIRE STN (20.5 km away); the 50% date is the median year.

Which crops fit a 276-day season in Rancho Mirage

In Rancho Mirage (276 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 6Jan 24–Jan 31234fits: 80 days to maturity, 234 available after Jan 24.Jun 13
PepperNov 29Jan 24–Jan 31234fits: 75 days to maturity, 234 available after Jan 24.Jun 18
LettuceNov 15Dec 13–Dec 20311two-plantings: Plant Dec 13 and again by Aug 22; both mature before Oct 20.Aug 22
Carrots—Dec 20–Dec 27318fits: 70 days to maturity, 318 available after Dec 20.Aug 11
CucumberDec 20Jan 24–Jan 31248two-plantings: Plant Jan 24 and again by Jul 17; both mature before Sep 29.Jul 17
Beans—Jan 17–Jan 31262two-plantings: Plant Jan 17 and again by Jul 24; both mature before Oct 6.Jul 24
Peas—Nov 15–Jan 24339fits: 65 days to maturity, 339 available after Nov 15.Aug 2
ZucchiniDec 27Jan 24–Jan 31248two-plantings: Plant Jan 24 and again by Jul 22; both mature before Sep 29.Jul 22
OnionOct 18Dec 13–Dec 27311fits: 100 days to maturity, 311 available after Dec 13.—
Spinach—Nov 15–Jan 3353two-plantings: Plant Nov 15 and again by Sep 10; both mature before Nov 3.Sep 10
KaleNov 1Dec 13–Dec 27325two-plantings: Plant Dec 13 and again by Aug 26; both mature before Nov 3.Aug 26
BroccoliNov 15Dec 13–Dec 27311fits: 80 days to maturity, 311 available after Dec 13.Jul 18
CabbageNov 15Dec 13–Dec 27325fits: 70 days to maturity, 325 available after Dec 13.Aug 11
Radish—Nov 15–Feb 7339two-plantings: Plant Nov 15 and again by Sep 11; both mature before Oct 20.Sep 11
Beets—Nov 15–Feb 7339two-plantings: Plant Nov 15 and again by Aug 12; both mature before Oct 20.Aug 12
Potatoes—Dec 27–Jan 3297fits: 90 days to maturity, 297 available after Dec 27.—
Garlic—Oct 13381overwinter: Plant Oct 13 to Nov 3; harvest the following summer.Nov 3
Strawberry—Dec 6–Jan 31332perennial: A perennial: plant Dec 6; it fruits from the following year and keeps producing for several years.—
CornDec 13Jan 17–Jan 24248fits: 75 days to maturity, 248 available after Jan 17.Jun 25
PumpkinDec 27Jan 24–Jan 24241fits: 100 days to maturity, 241 available after Jan 24.May 31
CauliflowerNov 29Jan 3–Jan 17290fits: 75 days to maturity, 290 available after Jan 3.Jul 23
Swiss ChardNov 15Dec 27–Dec 27297two-plantings: Plant Dec 27 and again by Aug 12; both mature before Oct 20.Aug 12
Arugula—Nov 15–Feb 7353two-plantings: Plant Nov 15 and again by Sep 10; both mature before Nov 3.Sep 10
Brussel SproutsNov 15Dec 13–Dec 27325fits: 100 days to maturity, 325 available after Dec 13.Jul 12
Butternut SquashDec 27Jan 24–Jan 31241fits: 100 days to maturity, 241 available after Jan 24.May 31
EggplantNov 22Jan 24–Jan 31234fits: 70 days to maturity, 234 available after Jan 24.Jun 23
OkraDec 13Jan 17–Jan 24255two-plantings: Plant Jan 17 and again by Jul 22; both mature before Sep 29.Jul 22
BasilDec 6Jan 31–Jan 31241two-plantings: Plant Jan 31 and again by Jul 17; both mature before Sep 29.Jul 17
Cilantro—Dec 13–Jan 3311two-plantings: Plant Dec 13 and again by Aug 17; both mature before Oct 20.Aug 17
ParsleyNov 1Jan 17–Jan 24276fits: 70 days to maturity, 276 available after Jan 17.Jul 28
CeleryNov 1Jan 17–Jan 31276fits: 120 days to maturity, 276 available after Jan 17.Jun 8
ScallionsNov 1Dec 13–Dec 27325two-plantings: Plant Dec 13 and again by Aug 21; both mature before Nov 3.Aug 21
Turnip—Dec 13–Dec 27325two-plantings: Plant Dec 13 and again by Aug 31; both mature before Nov 3.Aug 31
Kohlrabi—Nov 29–Dec 13339two-plantings: Plant Nov 29 and again by Aug 26; both mature before Nov 3.Aug 26
Bok ChoyDec 13Jan 3–Jan 10290two-plantings: Plant Jan 3 and again by Aug 22; both mature before Oct 20.Aug 22
CollardsNov 1Dec 13–Dec 27325two-plantings: Plant Dec 13 and again by Aug 21; both mature before Nov 3.Aug 21
CantaloupeDec 27Jan 24–Jan 31234fits: 85 days to maturity, 234 available after Jan 24.Jun 8
ChivesOct 18Jan 17–Jan 24290fits: 90 days to maturity, 290 available after Jan 17.—
Dill—Nov 15–Feb 7339two-plantings: Plant Nov 15 and again by Aug 12; both mature before Oct 20.Aug 12
OreganoNov 1Jan 17–Jan 24290fits: 80 days to maturity, 290 available after Jan 17.—
RosemaryOct 18Jan 17–Jan 24276fits: 80 days to maturity, 276 available after Jan 17.—
SageNov 15Jan 17–Jan 24290fits: 75 days to maturity, 290 available after Jan 17.—
ThymeNov 1Jan 17–Jan 24290fits: 90 days to maturity, 290 available after Jan 17.—
CalendulaNov 29Dec 27–Jan 10297two-plantings: Plant Dec 27 and again by Aug 17; both mature before Oct 20.Aug 17
CosmosDec 13Jan 10–Jan 24262two-plantings: Plant Jan 10 and again by Jul 17; both mature before Sep 29.Jul 17
LavenderOct 18Jan 10–Jan 24297fits: 90 days to maturity, 297 available after Jan 10.—
MarigoldsNov 29Jan 10–Jan 17262two-plantings: Plant Jan 10 and again by Jul 27; both mature before Sep 29.Jul 27
MelonsDec 27Jan 24–Jan 31234fits: 85 days to maturity, 234 available after Jan 24.Jun 8
Mint—Jan 10–Jan 24297fits: 90 days to maturity, 297 available after Jan 10.—
NasturtiumsDec 13Jan 10–Jan 17262two-plantings: Plant Jan 10 and again by Jul 22; both mature before Sep 29.Jul 22
Pole Beans—Jan 17–Jan 31255fits: 65 days to maturity, 255 available after Jan 17.Jul 12
Spaghetti SquashDec 27Jan 24–Jan 31241fits: 90 days to maturity, 241 available after Jan 24.Jun 10
Sunflowers—Jan 10–Jan 24262fits: 70 days to maturity, 262 available after Jan 10.Jul 7
TomatillosNov 15Jan 17–Jan 24241fits: 75 days to maturity, 241 available after Jan 17.Jun 18
WatermelonDec 27Jan 17–Jan 24241fits: 80 days to maturity, 241 available after Jan 17.Jun 13
Yellow SquashDec 27Jan 24–Jan 31248two-plantings: Plant Jan 24 and again by Jul 22; both mature before Sep 29.Jul 22
ZinniasDec 13Jan 10–Jan 24262two-plantings: Plant Jan 10 and again by Jul 17; both mature before Sep 29.Jul 17

Month by month in Rancho Mirage

MonthWhat to do
JanuaryDirect sow from: Sunflowers (Jan 10), Beans (Jan 17), Pole Beans (Jan 17). Transplant from: Bok Choy (Jan 3), Cauliflower (Jan 3), Cosmos (Jan 10), Lavender (Jan 10), Marigolds (Jan 10), Mint (Jan 10), +25 more. Last frost around January 10.
FebruaryFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
MarchSuccession plant lettuce and greens. Keep beds weeded and watered consistently.
AprilHarvest regularly to encourage production. Monitor for pests and disease.
MayLast sowing dates: Butternut Squash (May 31), Pumpkin (May 31).
JuneLast sowing dates: Cantaloupe (Jun 8), Celery (Jun 8), Melons (Jun 8), Spaghetti Squash (Jun 10), Tomato (Jun 13), Watermelon (Jun 13), +4 more.
JulyLast sowing dates: Sunflowers (Jul 7), Brussel Sprouts (Jul 12), Pole Beans (Jul 12), Basil (Jul 17), Cosmos (Jul 17), Cucumber (Jul 17), +10 more.
AugustLast sowing dates: Peas (Aug 2), Cabbage (Aug 11), Carrots (Aug 11), Beets (Aug 12), Dill (Aug 12), Swiss Chard (Aug 12), +9 more.
SeptemberLast sowing dates: Arugula (Sep 10), Spinach (Sep 10), Radish (Sep 11).
OctoberStart indoors: Chives (Oct 18), Lavender (Oct 18), Onion (Oct 18), Rosemary (Oct 18). Direct sow from: Garlic (Oct 13). First frost around October 13.
NovemberStart indoors: Celery (Nov 1), Collards (Nov 1), Kale (Nov 1), Oregano (Nov 1), Parsley (Nov 1), Scallions (Nov 1), +13 more. Direct sow from: Arugula (Nov 15), Beets (Nov 15), Dill (Nov 15), Peas (Nov 15), Radish (Nov 15), Spinach (Nov 15), +1 more. Last sowing dates: Garlic (Nov 3).
DecemberStart indoors: Basil (Dec 6), Tomato (Dec 6), Bok Choy (Dec 13), Corn (Dec 13), Cosmos (Dec 13), Nasturtiums (Dec 13), +11 more. Direct sow from: Cilantro (Dec 13), Turnip (Dec 13), Carrots (Dec 20), Potatoes (Dec 27). Transplant from: Broccoli (Dec 13), Brussel Sprouts (Dec 13), Cabbage (Dec 13), Collards (Dec 13), Kale (Dec 13), Lettuce (Dec 13), +4 more. Plant: Strawberry (Dec 6).

Frequently Asked Questions

What is the last frost date for Rancho Mirage, CA (ZIP 92270)?

The median last spring frost date for Rancho Mirage, CA (ZIP code 92270) is around January 10. 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.

What is the first fall frost date in Rancho Mirage, CA?

The median first fall frost date for Rancho Mirage, CA is around October 13. 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 Rancho Mirage, CA?

The frost-free growing season in Rancho Mirage is about 276 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 Rancho Mirage (276 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 Rancho Mirage, CA?

Rancho Mirage, 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 Rancho Mirage, CA?

Start tomatoes indoors Dec 6 and plant out Jan 24 in Rancho Mirage. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Rancho Mirage?

Two: plant Dec 13 and again by Aug 22; both mature before Oct 20.

When do I plant garlic in Rancho Mirage?

Oct 13 to Nov 3; it overwinters and is ready the following summer.

Can I get two tomato crops in Rancho Mirage?

Yes: plant out Jan 24 for a summer crop, and set out a second round of transplants by Jun 13 for a fall crop.

Which nearby ZIP has a longer season?

Palm Desert (ZIP 92260) has 326 frost-free days, 50 more than Rancho Mirage (ZIP 92270). See Palm Desert ZIP 92260 frost dates

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