Frost Dates for Yuma, AZ 85364

Last spring frost February 23 · First fall frost December 20 · 300 frost-free days · USDA Zone 10a

ZIP 85364 has about 73,000 people, the largest of 3 ZIP codes in Yuma.

Very long season: 300 frost-free days. Spring frost risk spans January 23–March 1 (37 days). Fall frost risk spans November 25–January 15 (51 days).

Frost probability for 85364

Frost10%50%90%
Spring (last frost)March 1February 23January 23
Fall (first frost)November 25December 20January 15

Dates come from NOAA 1971–2000 freeze probabilities at TACNA 3 NE (69.0 km away); the 50% date is the median year.

Frost dates by ZIP code in Yuma, AZ

ZIPLast spring frost (50%)First fall frost (50%)Zone
85364February 23December 2010a
85365February 23November 229a
85367February 23December 2010a

Which crops fit a 300-day season in Yuma

In Yuma (300 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
TomatoJan 19Mar 9–Mar 16258fits: 80 days to maturity, 258 available after Mar 9.Aug 20
PepperJan 12Mar 9–Mar 16258fits: 75 days to maturity, 258 available after Mar 9.Aug 25
LettuceDec 29Jan 26–Feb 2335two-plantings: Plant Jan 26 and again by Oct 29; both mature before Dec 27.Oct 29
Carrots—Feb 2–Feb 9342fits: 70 days to maturity, 342 available after Feb 2.Oct 18
CucumberFeb 2Mar 9–Mar 16272two-plantings: Plant Mar 9 and again by Sep 23; both mature before Dec 6.Sep 23
Beans—Mar 2–Mar 16286two-plantings: Plant Mar 2 and again by Sep 30; both mature before Dec 13.Sep 30
Peas—Dec 29–Mar 9363fits: 65 days to maturity, 363 available after Dec 29.Oct 9
ZucchiniFeb 9Mar 9–Mar 16272two-plantings: Plant Mar 9 and again by Sep 28; both mature before Dec 6.Sep 28
OnionDec 1Jan 26–Feb 9335fits: 100 days to maturity, 335 available after Jan 26.—
Spinach—Dec 29–Feb 16377two-plantings: Plant Dec 29 and again by Nov 17; both mature before Jan 10.Nov 17
KaleDec 15Jan 26–Feb 9349two-plantings: Plant Jan 26 and again by Nov 2; both mature before Jan 10.Nov 2
BroccoliDec 29Jan 26–Feb 9335fits: 80 days to maturity, 335 available after Jan 26.Sep 24
CabbageDec 29Jan 26–Feb 9349fits: 70 days to maturity, 349 available after Jan 26.Oct 18
Radish—Dec 29–Mar 23363two-plantings: Plant Dec 29 and again by Nov 18; both mature before Dec 27.Nov 18
Beets—Dec 29–Mar 23363two-plantings: Plant Dec 29 and again by Oct 19; both mature before Dec 27.Oct 19
Potatoes—Feb 9–Feb 16321fits: 90 days to maturity, 321 available after Feb 9.—
Garlic—Dec 20405overwinter: Plant Dec 20 to Jan 10; harvest the following summer.Jan 10
Strawberry—Jan 19–Mar 16356perennial: A perennial: plant Jan 19; it fruits from the following year and keeps producing for several years.—
CornJan 26Mar 2–Mar 9272fits: 75 days to maturity, 272 available after Mar 2.Sep 1
PumpkinFeb 9Mar 9–Mar 9265fits: 100 days to maturity, 265 available after Mar 9.Aug 7
CauliflowerJan 12Feb 16–Mar 2314fits: 75 days to maturity, 314 available after Feb 16.Sep 29
Swiss ChardDec 29Feb 9–Feb 9321two-plantings: Plant Feb 9 and again by Oct 19; both mature before Dec 27.Oct 19
Arugula—Dec 29–Mar 23377two-plantings: Plant Dec 29 and again by Nov 17; both mature before Jan 10.Nov 17
Brussel SproutsDec 29Jan 26–Feb 9349fits: 100 days to maturity, 349 available after Jan 26.Sep 18
Butternut SquashFeb 9Mar 9–Mar 16265fits: 100 days to maturity, 265 available after Mar 9.Aug 7
EggplantJan 5Mar 9–Mar 16258fits: 70 days to maturity, 258 available after Mar 9.Aug 30
OkraJan 26Mar 2–Mar 9279two-plantings: Plant Mar 2 and again by Sep 28; both mature before Dec 6.Sep 28
BasilJan 19Mar 16–Mar 16265two-plantings: Plant Mar 16 and again by Sep 23; both mature before Dec 6.Sep 23
Cilantro—Jan 26–Feb 16335two-plantings: Plant Jan 26 and again by Oct 24; both mature before Dec 27.Oct 24
ParsleyDec 15Mar 2–Mar 9300fits: 70 days to maturity, 300 available after Mar 2.Oct 4
CeleryDec 15Mar 2–Mar 16300fits: 120 days to maturity, 300 available after Mar 2.Aug 15
ScallionsDec 15Jan 26–Feb 9349two-plantings: Plant Jan 26 and again by Oct 28; both mature before Jan 10.Oct 28
Turnip—Jan 26–Feb 9349two-plantings: Plant Jan 26 and again by Nov 7; both mature before Jan 10.Nov 7
Kohlrabi—Jan 12–Jan 26363two-plantings: Plant Jan 12 and again by Nov 2; both mature before Jan 10.Nov 2
Bok ChoyJan 26Feb 16–Feb 23314two-plantings: Plant Feb 16 and again by Oct 29; both mature before Dec 27.Oct 29
CollardsDec 15Jan 26–Feb 9349two-plantings: Plant Jan 26 and again by Oct 28; both mature before Jan 10.Oct 28
CantaloupeFeb 9Mar 9–Mar 16258fits: 85 days to maturity, 258 available after Mar 9.Aug 15
ChivesDec 1Mar 2–Mar 9314fits: 90 days to maturity, 314 available after Mar 2.—
Dill—Dec 29–Mar 23363two-plantings: Plant Dec 29 and again by Oct 19; both mature before Dec 27.Oct 19
OreganoDec 15Mar 2–Mar 9314fits: 80 days to maturity, 314 available after Mar 2.—
RosemaryDec 1Mar 2–Mar 9300fits: 80 days to maturity, 300 available after Mar 2.—
SageDec 29Mar 2–Mar 9314fits: 75 days to maturity, 314 available after Mar 2.—
ThymeDec 15Mar 2–Mar 9314fits: 90 days to maturity, 314 available after Mar 2.—
CalendulaJan 12Feb 9–Feb 23321two-plantings: Plant Feb 9 and again by Oct 24; both mature before Dec 27.Oct 24
CosmosJan 26Feb 23–Mar 9286two-plantings: Plant Feb 23 and again by Sep 23; both mature before Dec 6.Sep 23
LavenderDec 1Feb 23–Mar 9321fits: 90 days to maturity, 321 available after Feb 23.—
MarigoldsJan 12Feb 23–Mar 2286two-plantings: Plant Feb 23 and again by Oct 3; both mature before Dec 6.Oct 3
MelonsFeb 9Mar 9–Mar 16258fits: 85 days to maturity, 258 available after Mar 9.Aug 15
Mint—Feb 23–Mar 9321fits: 90 days to maturity, 321 available after Feb 23.—
NasturtiumsJan 26Feb 23–Mar 2286two-plantings: Plant Feb 23 and again by Sep 28; both mature before Dec 6.Sep 28
Pole Beans—Mar 2–Mar 16279fits: 65 days to maturity, 279 available after Mar 2.Sep 18
Spaghetti SquashFeb 9Mar 9–Mar 16265fits: 90 days to maturity, 265 available after Mar 9.Aug 17
Sunflowers—Feb 23–Mar 9286fits: 70 days to maturity, 286 available after Feb 23.Sep 13
TomatillosDec 29Mar 2–Mar 9265fits: 75 days to maturity, 265 available after Mar 2.Aug 25
WatermelonFeb 9Mar 2–Mar 9265fits: 80 days to maturity, 265 available after Mar 2.Aug 20
Yellow SquashFeb 9Mar 9–Mar 16272two-plantings: Plant Mar 9 and again by Sep 28; both mature before Dec 6.Sep 28
ZinniasJan 26Feb 23–Mar 9286two-plantings: Plant Feb 23 and again by Sep 23; both mature before Dec 6.Sep 23

Month by month in Yuma

MonthWhat to do
JanuaryStart indoors: Eggplant (Jan 5), Calendula (Jan 12), Cauliflower (Jan 12), Marigolds (Jan 12), Pepper (Jan 12), Basil (Jan 19), +7 more. Direct sow from: Kohlrabi (Jan 12), Cilantro (Jan 26), Turnip (Jan 26). Transplant from: Broccoli (Jan 26), Brussel Sprouts (Jan 26), Cabbage (Jan 26), Collards (Jan 26), Kale (Jan 26), Lettuce (Jan 26), +2 more. Plant: Strawberry (Jan 19). Last sowing dates: Garlic (Jan 10).
FebruaryStart indoors: Cucumber (Feb 2), Butternut Squash (Feb 9), Cantaloupe (Feb 9), Melons (Feb 9), Pumpkin (Feb 9), Spaghetti Squash (Feb 9), +3 more. Direct sow from: Carrots (Feb 2), Potatoes (Feb 9), Sunflowers (Feb 23). Transplant from: Calendula (Feb 9), Swiss Chard (Feb 9), Bok Choy (Feb 16), Cauliflower (Feb 16), Cosmos (Feb 23), Lavender (Feb 23), +4 more. Last frost around February 23.
MarchDirect sow from: Beans (Mar 2), Pole Beans (Mar 2). Transplant from: Celery (Mar 2), Chives (Mar 2), Corn (Mar 2), Okra (Mar 2), Oregano (Mar 2), Parsley (Mar 2), +17 more.
AprilSuccession plant lettuce and greens. Keep beds weeded and watered consistently.
MayHarvest regularly to encourage production. Monitor for pests and disease.
JuneMidsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall.
JulyDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
AugustLast sowing dates: Butternut Squash (Aug 7), Pumpkin (Aug 7), Cantaloupe (Aug 15), Celery (Aug 15), Melons (Aug 15), Spaghetti Squash (Aug 17), +5 more.
SeptemberLast sowing dates: Corn (Sep 1), Sunflowers (Sep 13), Brussel Sprouts (Sep 18), Pole Beans (Sep 18), Basil (Sep 23), Cosmos (Sep 23), +9 more.
OctoberLast sowing dates: Marigolds (Oct 3), Parsley (Oct 4), Peas (Oct 9), Cabbage (Oct 18), Carrots (Oct 18), Beets (Oct 19), +8 more.
NovemberLast sowing dates: Kale (Nov 2), Kohlrabi (Nov 2), Turnip (Nov 7), Arugula (Nov 17), Spinach (Nov 17), Radish (Nov 18).
DecemberStart indoors: Chives (Dec 1), Lavender (Dec 1), Onion (Dec 1), Rosemary (Dec 1), Celery (Dec 15), Collards (Dec 15), +12 more. Direct sow from: Garlic (Dec 20), Arugula (Dec 29), Beets (Dec 29), Dill (Dec 29), Peas (Dec 29), Radish (Dec 29), +1 more. First frost around December 20.

Frequently Asked Questions

What is the last frost date for Yuma, AZ (ZIP 85364)?

The median last spring frost date for Yuma, AZ (ZIP code 85364) is around February 23. 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 23; one in ten it runs past March 1.

What is the first fall frost date in Yuma, AZ?

The median first fall frost date for Yuma, AZ is around December 20. 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 25 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Yuma, AZ?

The frost-free growing season in Yuma is about 300 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 Yuma (300 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 Yuma, AZ?

Yuma, AZ 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 Yuma, AZ?

Start tomatoes indoors Jan 19 and plant out Mar 9 in Yuma. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Yuma?

Two: plant Jan 26 and again by Oct 29; both mature before Dec 27.

When do I plant garlic in Yuma?

Dec 20 to Jan 10; it overwinters and is ready the following summer.

Can I get two tomato crops in Yuma?

Yes: plant out Mar 9 for a summer crop, and set out a second round of transplants by Aug 20 for a fall crop.

Which nearby ZIP has a longer season?

Brawley (ZIP 92227) has 351 frost-free days, 51 more than Yuma (ZIP 85364). See Brawley ZIP 92227 frost dates

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