Frost Dates for Palmdale, CA 93551

Last spring frost April 3 · First fall frost November 17 · 228 frost-free days · USDA Zone 9a

ZIP 93551 has about 54,400 people, one of 4 ZIP codes in Palmdale.

Long season: 228 frost-free days. Spring frost risk spans March 5–May 5 (61 days). Fall frost risk spans October 22–November 26 (35 days).

Frost probability for 93551

Frost10%50%90%
Spring (last frost)May 5April 3March 5
Fall (first frost)October 22November 17November 26

Dates come from NOAA 1971–2000 freeze probabilities at PALMDALE (12.1 km away); the 50% date is the median year.

Which crops fit a 228-day season in Palmdale

In Palmdale (228 frost-free days, a 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
TomatoFeb 27Apr 17–Apr 24186fits: 80 days to maturity, 186 available after Apr 17.Jul 18
PepperFeb 20Apr 17–Apr 24186fits: 75 days to maturity, 186 available after Apr 17.Jul 23
LettuceFeb 6Mar 6–Mar 13263two-plantings: Plant Mar 6 and again by Sep 26; both mature before Nov 24.Sep 26
Carrots—Mar 13–Mar 20270fits: 70 days to maturity, 270 available after Mar 13.Sep 15
CucumberMar 13Apr 17–Apr 24200two-plantings: Plant Apr 17 and again by Aug 21; both mature before Nov 3.Aug 21
Beans—Apr 10–Apr 24214two-plantings: Plant Apr 10 and again by Aug 28; both mature before Nov 10.Aug 28
Peas—Feb 6–Apr 17291fits: 65 days to maturity, 291 available after Feb 6.Sep 6
ZucchiniMar 20Apr 17–Apr 24200two-plantings: Plant Apr 17 and again by Aug 26; both mature before Nov 3.Aug 26
OnionJan 9Mar 6–Mar 20263fits: 100 days to maturity, 263 available after Mar 6.—
Spinach—Feb 6–Mar 27305two-plantings: Plant Feb 6 and again by Oct 15; both mature before Dec 8.Oct 15
KaleJan 23Mar 6–Mar 20277two-plantings: Plant Mar 6 and again by Sep 30; both mature before Dec 8.Sep 30
BroccoliFeb 6Mar 6–Mar 20263fits: 80 days to maturity, 263 available after Mar 6.Aug 22
CabbageFeb 6Mar 6–Mar 20277fits: 70 days to maturity, 277 available after Mar 6.Sep 15
Radish—Feb 6–May 1291two-plantings: Plant Feb 6 and again by Oct 16; both mature before Nov 24.Oct 16
Beets—Feb 6–May 1291two-plantings: Plant Feb 6 and again by Sep 16; both mature before Nov 24.Sep 16
Potatoes—Mar 20–Mar 27249fits: 90 days to maturity, 249 available after Mar 20.—
Garlic—Nov 17333overwinter: Plant Nov 17 to Dec 8; harvest the following summer.Dec 8
Strawberry—Feb 27–Apr 24284perennial: A perennial: plant Feb 27; it fruits from the following year and keeps producing for several years.—
CornMar 6Apr 10–Apr 17200fits: 75 days to maturity, 200 available after Apr 10.Jul 30
PumpkinMar 20Apr 17–Apr 17193fits: 100 days to maturity, 193 available after Apr 17.Jul 5
CauliflowerFeb 20Mar 27–Apr 10242fits: 75 days to maturity, 242 available after Mar 27.Aug 27
Swiss ChardFeb 6Mar 20–Mar 20249two-plantings: Plant Mar 20 and again by Sep 16; both mature before Nov 24.Sep 16
Arugula—Feb 6–May 1305two-plantings: Plant Feb 6 and again by Oct 15; both mature before Dec 8.Oct 15
Brussel SproutsFeb 6Mar 6–Mar 20277fits: 100 days to maturity, 277 available after Mar 6.Aug 16
Butternut SquashMar 20Apr 17–Apr 24193fits: 100 days to maturity, 193 available after Apr 17.Jul 5
EggplantFeb 13Apr 17–Apr 24186fits: 70 days to maturity, 186 available after Apr 17.Jul 28
OkraMar 6Apr 10–Apr 17207two-plantings: Plant Apr 10 and again by Aug 26; both mature before Nov 3.Aug 26
BasilFeb 27Apr 24–Apr 24193two-plantings: Plant Apr 24 and again by Aug 21; both mature before Nov 3.Aug 21
Cilantro—Mar 6–Mar 27263two-plantings: Plant Mar 6 and again by Sep 21; both mature before Nov 24.Sep 21
ParsleyJan 23Apr 10–Apr 17228fits: 70 days to maturity, 228 available after Apr 10.Sep 1
CeleryJan 23Apr 10–Apr 24228fits: 120 days to maturity, 228 available after Apr 10.Jul 13
ScallionsJan 23Mar 6–Mar 20277two-plantings: Plant Mar 6 and again by Sep 25; both mature before Dec 8.Sep 25
Turnip—Mar 6–Mar 20277two-plantings: Plant Mar 6 and again by Oct 5; both mature before Dec 8.Oct 5
Kohlrabi—Feb 20–Mar 6291two-plantings: Plant Feb 20 and again by Sep 30; both mature before Dec 8.Sep 30
Bok ChoyMar 6Mar 27–Apr 3242two-plantings: Plant Mar 27 and again by Sep 26; both mature before Nov 24.Sep 26
CollardsJan 23Mar 6–Mar 20277two-plantings: Plant Mar 6 and again by Sep 25; both mature before Dec 8.Sep 25
CantaloupeMar 20Apr 17–Apr 24186fits: 85 days to maturity, 186 available after Apr 17.Jul 13
ChivesJan 9Apr 10–Apr 17242fits: 90 days to maturity, 242 available after Apr 10.—
Dill—Feb 6–May 1291two-plantings: Plant Feb 6 and again by Sep 16; both mature before Nov 24.Sep 16
OreganoJan 23Apr 10–Apr 17242fits: 80 days to maturity, 242 available after Apr 10.—
RosemaryJan 9Apr 10–Apr 17228fits: 80 days to maturity, 228 available after Apr 10.—
SageFeb 6Apr 10–Apr 17242fits: 75 days to maturity, 242 available after Apr 10.—
ThymeJan 23Apr 10–Apr 17242fits: 90 days to maturity, 242 available after Apr 10.—
CalendulaFeb 20Mar 20–Apr 3249two-plantings: Plant Mar 20 and again by Sep 21; both mature before Nov 24.Sep 21
CosmosMar 6Apr 3–Apr 17214two-plantings: Plant Apr 3 and again by Aug 21; both mature before Nov 3.Aug 21
LavenderJan 9Apr 3–Apr 17249fits: 90 days to maturity, 249 available after Apr 3.—
MarigoldsFeb 20Apr 3–Apr 10214two-plantings: Plant Apr 3 and again by Aug 31; both mature before Nov 3.Aug 31
MelonsMar 20Apr 17–Apr 24186fits: 85 days to maturity, 186 available after Apr 17.Jul 13
Mint—Apr 3–Apr 17249fits: 90 days to maturity, 249 available after Apr 3.—
NasturtiumsMar 6Apr 3–Apr 10214two-plantings: Plant Apr 3 and again by Aug 26; both mature before Nov 3.Aug 26
Pole Beans—Apr 10–Apr 24207fits: 65 days to maturity, 207 available after Apr 10.Aug 16
Spaghetti SquashMar 20Apr 17–Apr 24193fits: 90 days to maturity, 193 available after Apr 17.Jul 15
Sunflowers—Apr 3–Apr 17214fits: 70 days to maturity, 214 available after Apr 3.Aug 11
TomatillosFeb 6Apr 10–Apr 17193fits: 75 days to maturity, 193 available after Apr 10.Jul 23
WatermelonMar 20Apr 10–Apr 17193fits: 80 days to maturity, 193 available after Apr 10.Jul 18
Yellow SquashMar 20Apr 17–Apr 24200two-plantings: Plant Apr 17 and again by Aug 26; both mature before Nov 3.Aug 26
ZinniasMar 6Apr 3–Apr 17214two-plantings: Plant Apr 3 and again by Aug 21; both mature before Nov 3.Aug 21

Month by month in Palmdale

MonthWhat to do
JanuaryStart indoors: Chives (Jan 9), Lavender (Jan 9), Onion (Jan 9), Rosemary (Jan 9), Celery (Jan 23), Collards (Jan 23), +5 more.
FebruaryStart indoors: Broccoli (Feb 6), Brussel Sprouts (Feb 6), Cabbage (Feb 6), Lettuce (Feb 6), Sage (Feb 6), Swiss Chard (Feb 6), +8 more. Direct sow from: Arugula (Feb 6), Beets (Feb 6), Dill (Feb 6), Peas (Feb 6), Radish (Feb 6), Spinach (Feb 6), +1 more. Plant: Strawberry (Feb 27).
MarchStart indoors: Bok Choy (Mar 6), Corn (Mar 6), Cosmos (Mar 6), Nasturtiums (Mar 6), Okra (Mar 6), Zinnias (Mar 6), +9 more. Direct sow from: Cilantro (Mar 6), Turnip (Mar 6), Carrots (Mar 13), Potatoes (Mar 20). Transplant from: Broccoli (Mar 6), Brussel Sprouts (Mar 6), Cabbage (Mar 6), Collards (Mar 6), Kale (Mar 6), Lettuce (Mar 6), +6 more.
AprilDirect sow from: Sunflowers (Apr 3), Beans (Apr 10), Pole Beans (Apr 10). Transplant from: Cosmos (Apr 3), Lavender (Apr 3), Marigolds (Apr 3), Mint (Apr 3), Nasturtiums (Apr 3), Zinnias (Apr 3), +23 more. Last frost around April 3.
MayFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
JuneSuccession plant lettuce and greens. Keep beds weeded and watered consistently.
JulyLast sowing dates: Butternut Squash (Jul 5), Pumpkin (Jul 5), Cantaloupe (Jul 13), Celery (Jul 13), Melons (Jul 13), Spaghetti Squash (Jul 15), +6 more.
AugustLast sowing dates: Sunflowers (Aug 11), Brussel Sprouts (Aug 16), Pole Beans (Aug 16), Basil (Aug 21), Cosmos (Aug 21), Cucumber (Aug 21), +9 more.
SeptemberLast sowing dates: Parsley (Sep 1), Peas (Sep 6), Cabbage (Sep 15), Carrots (Sep 15), Beets (Sep 16), Dill (Sep 16), +9 more.
OctoberLast sowing dates: Turnip (Oct 5), Arugula (Oct 15), Spinach (Oct 15), Radish (Oct 16).
NovemberDirect sow from: Garlic (Nov 17). First frost around November 17.
DecemberLast sowing dates: Garlic (Dec 8).

Frequently Asked Questions

What is the last frost date for Palmdale, CA (ZIP 93551)?

The median last spring frost date for Palmdale, CA (ZIP code 93551) is around April 3. 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 March 5; one in ten it runs past May 5.

What is the first fall frost date in Palmdale, CA?

The median first fall frost date for Palmdale, CA is around November 17. 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 22 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Palmdale, CA?

The frost-free growing season in Palmdale is about 228 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 Palmdale (228 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Palmdale, CA?

Palmdale, 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 Palmdale, CA?

Start tomatoes indoors Feb 27 and plant out Apr 17 in Palmdale. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Palmdale?

Two: plant Mar 6 and again by Sep 26; both mature before Nov 24.

When do I plant garlic in Palmdale?

Nov 17 to Dec 8; it overwinters and is ready the following summer.

Can I get two tomato crops in Palmdale?

Yes: plant out Apr 17 for a summer crop, and set out a second round of transplants by Jul 18 for a fall crop.

Which nearby ZIP has a longer season?

Canyon Country (ZIP 91387) has 267 frost-free days, 39 more than Palmdale (ZIP 93551). See Canyon Country ZIP 91387 frost dates

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