Frost Dates for Cashmere, WA 98815

Last spring frost May 12 · First fall frost September 29 · 140 frost-free days · USDA Zone 7a

ZIP 98815 has about 7,830 people.

Moderate season: 140 frost-free days. Spring frost risk spans April 26–May 28 (32 days). Fall frost risk spans September 15–October 12 (27 days).

Frost probability for 98815

Frost10%50%90%
Spring (last frost)May 28May 12April 26
Fall (first frost)September 15September 29October 12

Dates come from NOAA 1971–2000 freeze probabilities at LEAVENWORTH 3 S (14.7 km away); the 50% date is the median year.

Which crops fit a 140-day season in Cashmere

In Cashmere (140 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoApr 7May 26–Jun 298fits: 80 days to maturity, 98 available after May 26.May 30
PepperMar 31May 26–Jun 298fits: 75 days to maturity, 98 available after May 26.Jun 4
LettuceMar 17Apr 14–Apr 21175two-plantings: Plant Apr 14 and again by Aug 8; both mature before Oct 6.Aug 8
Carrots—Apr 21–Apr 28182fits: 70 days to maturity, 182 available after Apr 21.Jul 28
CucumberApr 21May 26–Jun 2112fits: 60 days to maturity, 112 available after May 26.Jul 3
Beans—May 19–Jun 2126fits: 60 days to maturity, 126 available after May 19.Jul 10
Peas—Mar 17–May 26203fits: 65 days to maturity, 203 available after Mar 17.Jul 19
ZucchiniApr 28May 26–Jun 2112fits: 55 days to maturity, 112 available after May 26.Jul 8
OnionFeb 17Apr 14–Apr 28175fits: 100 days to maturity, 175 available after Apr 14.—
Spinach—Mar 17–May 5217two-plantings: Plant Mar 17 and again by Aug 27; both mature before Oct 20.Aug 27
KaleMar 3Apr 14–Apr 28189two-plantings: Plant Apr 14 and again by Aug 12; both mature before Oct 20.Aug 12
BroccoliMar 17Apr 14–Apr 28175fits: 80 days to maturity, 175 available after Apr 14.Jul 4
CabbageMar 17Apr 14–Apr 28189fits: 70 days to maturity, 189 available after Apr 14.Jul 28
Radish—Mar 17–Jun 9203two-plantings: Plant Mar 17 and again by Aug 28; both mature before Oct 6.Aug 28
Beets—Mar 17–Jun 9203two-plantings: Plant Mar 17 and again by Jul 29; both mature before Oct 6.Jul 29
Potatoes—Apr 28–May 5161fits: 90 days to maturity, 161 available after Apr 28.—
Garlic—Sep 29245overwinter: Plant Sep 29 to Oct 20; harvest the following summer.Oct 20
Strawberry—Apr 7–Jun 2196perennial: A perennial: plant Apr 7; it fruits from the following year and keeps producing for several years.—
CornApr 14May 19–May 26112fits: 75 days to maturity, 112 available after May 19.Jun 11
PumpkinApr 28May 26–May 26105fits: 100 days to maturity, 105 available after May 26.—
CauliflowerMar 31May 5–May 19154fits: 75 days to maturity, 154 available after May 5.Jul 9
Swiss ChardMar 17Apr 28–Apr 28161two-plantings: Plant Apr 28 and again by Jul 29; both mature before Oct 6.Jul 29
Arugula—Mar 17–Jun 9217two-plantings: Plant Mar 17 and again by Aug 27; both mature before Oct 20.Aug 27
Brussel SproutsMar 17Apr 14–Apr 28189fits: 100 days to maturity, 189 available after Apr 14.Jun 28
Butternut SquashApr 28May 26–Jun 2105fits: 100 days to maturity, 105 available after May 26.—
EggplantMar 24May 26–Jun 298fits: 70 days to maturity, 98 available after May 26.Jun 9
OkraApr 14May 19–May 26119fits: 55 days to maturity, 119 available after May 19.Jul 8
BasilApr 7Jun 2–Jun 2105fits: 60 days to maturity, 105 available after Jun 2.Jul 3
Cilantro—Apr 14–May 5175two-plantings: Plant Apr 14 and again by Aug 3; both mature before Oct 6.Aug 3
ParsleyMar 3May 19–May 26140fits: 70 days to maturity, 140 available after May 19.Jul 14
CeleryMar 3May 19–Jun 2140fits: 120 days to maturity, 140 available after May 19.May 25
ScallionsMar 3Apr 14–Apr 28189two-plantings: Plant Apr 14 and again by Aug 7; both mature before Oct 20.Aug 7
Turnip—Apr 14–Apr 28189two-plantings: Plant Apr 14 and again by Aug 17; both mature before Oct 20.Aug 17
Kohlrabi—Mar 31–Apr 14203two-plantings: Plant Mar 31 and again by Aug 12; both mature before Oct 20.Aug 12
Bok ChoyApr 14May 5–May 12154two-plantings: Plant May 5 and again by Aug 8; both mature before Oct 6.Aug 8
CollardsMar 3Apr 14–Apr 28189two-plantings: Plant Apr 14 and again by Aug 7; both mature before Oct 20.Aug 7
CantaloupeApr 28May 26–Jun 298fits: 85 days to maturity, 98 available after May 26.—
ChivesFeb 17May 19–May 26154fits: 90 days to maturity, 154 available after May 19.—
Dill—Mar 17–Jun 9203two-plantings: Plant Mar 17 and again by Jul 29; both mature before Oct 6.Jul 29
OreganoMar 3May 19–May 26154fits: 80 days to maturity, 154 available after May 19.—
RosemaryFeb 17May 19–May 26140fits: 80 days to maturity, 140 available after May 19.—
SageMar 17May 19–May 26154fits: 75 days to maturity, 154 available after May 19.—
ThymeMar 3May 19–May 26154fits: 90 days to maturity, 154 available after May 19.—
CalendulaMar 31Apr 28–May 12161two-plantings: Plant Apr 28 and again by Aug 3; both mature before Oct 6.Aug 3
CosmosApr 14May 12–May 26126fits: 60 days to maturity, 126 available after May 12.Jul 3
LavenderFeb 17May 12–May 26161fits: 90 days to maturity, 161 available after May 12.—
MarigoldsMar 31May 12–May 19126two-plantings: Plant May 12 and again by Jul 13; both mature before Sep 15.Jul 13
MelonsApr 28May 26–Jun 298fits: 85 days to maturity, 98 available after May 26.—
Mint—May 12–May 26161fits: 90 days to maturity, 161 available after May 12.—
NasturtiumsApr 14May 12–May 19126two-plantings: Plant May 12 and again by Jul 8; both mature before Sep 15.Jul 8
Pole Beans—May 19–Jun 2119fits: 65 days to maturity, 119 available after May 19.Jun 28
Spaghetti SquashApr 28May 26–Jun 2105fits: 90 days to maturity, 105 available after May 26.May 27
Sunflowers—May 12–May 26126fits: 70 days to maturity, 126 available after May 12.Jun 23
TomatillosMar 17May 19–May 26105fits: 75 days to maturity, 105 available after May 19.Jun 4
WatermelonApr 28May 19–May 26105fits: 80 days to maturity, 105 available after May 19.May 30
Yellow SquashApr 28May 26–Jun 2112fits: 55 days to maturity, 112 available after May 26.Jul 8
ZinniasApr 14May 12–May 26126fits: 60 days to maturity, 126 available after May 12.Jul 3

Month by month in Cashmere

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. Last sowing dates: Celery (May 25), Spaghetti Squash (May 27), Tomato (May 30), Watermelon (May 30).
JuneTransplant from: Basil (Jun 2). Last sowing dates: Pepper (Jun 4), Tomatillos (Jun 4), Eggplant (Jun 9), Corn (Jun 11), Sunflowers (Jun 23), Brussel Sprouts (Jun 28), +1 more.
JulyLast sowing dates: Basil (Jul 3), Cosmos (Jul 3), Cucumber (Jul 3), Zinnias (Jul 3), Broccoli (Jul 4), Nasturtiums (Jul 8), +13 more.
AugustLast sowing dates: Calendula (Aug 3), Cilantro (Aug 3), Collards (Aug 7), Scallions (Aug 7), Bok Choy (Aug 8), Lettuce (Aug 8), +6 more.
SeptemberDirect sow from: Garlic (Sep 29). First frost around September 29.
OctoberLast sowing dates: Garlic (Oct 20).
NovemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.
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 Cashmere, WA (ZIP 98815)?

The median last spring frost date for Cashmere, WA (ZIP code 98815) 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 26; one in ten it runs past May 28.

What is the first fall frost date in Cashmere, WA?

The median first fall frost date for Cashmere, WA is around September 29. 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 September 15 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Cashmere, WA?

The frost-free growing season in Cashmere is about 140 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 Cashmere (140 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Cashmere, WA?

Cashmere, WA is in USDA hardiness zone 7a (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 Cashmere, WA?

Start tomatoes indoors Apr 7 and plant out May 26 in Cashmere. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Cashmere?

Two: plant Apr 14 and again by Aug 8; both mature before Oct 6.

When do I plant garlic in Cashmere?

Sep 29 to Oct 20; it overwinters and is ready the following summer.

Which nearby ZIP has a longer season?

Wenatchee (ZIP 98801) has 190 frost-free days, 50 more than Cashmere (ZIP 98815). See Wenatchee ZIP 98801 frost dates

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