Frost Dates for Beaverton, OR 97006

Beaverton has 6 ZIP codes. The Beaverton, OR frost page lists all of them with their dates.

Last spring frost April 20 · First fall frost October 24 · 187 frost-free days · USDA Zone 8b

ZIP 97006 has about 46,500 people, one of 6 ZIP codes in Beaverton.

Long season: 187 frost-free days. Spring frost risk spans March 30–May 10 (41 days). Fall frost risk spans October 5–November 10 (36 days).

Frost probability for 97006

Frost10%50%90%
Spring (last frost)May 10April 20March 30
Fall (first frost)October 5October 24November 10

Dates come from NOAA 1971–2000 freeze probabilities at VANCOUVER 4 NNE (23.2 km away); the 50% date is the median year.

Which crops fit a 187-day season in Beaverton

In Beaverton (187 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
TomatoMar 16May 4–May 11145fits: 80 days to maturity, 145 available after May 4.Jun 24
PepperMar 9May 4–May 11145fits: 75 days to maturity, 145 available after May 4.Jun 29
LettuceFeb 23Mar 23–Mar 30222two-plantings: Plant Mar 23 and again by Sep 2; both mature before Oct 31.Sep 2
Carrots—Mar 30–Apr 6229fits: 70 days to maturity, 229 available after Mar 30.Aug 22
CucumberMar 30May 4–May 11159two-plantings: Plant May 4 and again by Jul 28; both mature before Oct 10.Jul 28
Beans—Apr 27–May 11173two-plantings: Plant Apr 27 and again by Aug 4; both mature before Oct 17.Aug 4
Peas—Feb 23–May 4250fits: 65 days to maturity, 250 available after Feb 23.Aug 13
ZucchiniApr 6May 4–May 11159two-plantings: Plant May 4 and again by Aug 2; both mature before Oct 10.Aug 2
OnionJan 26Mar 23–Apr 6222fits: 100 days to maturity, 222 available after Mar 23.—
Spinach—Feb 23–Apr 13264two-plantings: Plant Feb 23 and again by Sep 21; both mature before Nov 14.Sep 21
KaleFeb 9Mar 23–Apr 6236two-plantings: Plant Mar 23 and again by Sep 6; both mature before Nov 14.Sep 6
BroccoliFeb 23Mar 23–Apr 6222fits: 80 days to maturity, 222 available after Mar 23.Jul 29
CabbageFeb 23Mar 23–Apr 6236fits: 70 days to maturity, 236 available after Mar 23.Aug 22
Radish—Feb 23–May 18250two-plantings: Plant Feb 23 and again by Sep 22; both mature before Oct 31.Sep 22
Beets—Feb 23–May 18250two-plantings: Plant Feb 23 and again by Aug 23; both mature before Oct 31.Aug 23
Potatoes—Apr 6–Apr 13208fits: 90 days to maturity, 208 available after Apr 6.—
Garlic—Oct 24292overwinter: Plant Oct 24 to Nov 14; harvest the following summer.Nov 14
Strawberry—Mar 16–May 11243perennial: A perennial: plant Mar 16; it fruits from the following year and keeps producing for several years.—
CornMar 23Apr 27–May 4159fits: 75 days to maturity, 159 available after Apr 27.Jul 6
PumpkinApr 6May 4–May 4152fits: 100 days to maturity, 152 available after May 4.Jun 11
CauliflowerMar 9Apr 13–Apr 27201fits: 75 days to maturity, 201 available after Apr 13.Aug 3
Swiss ChardFeb 23Apr 6–Apr 6208two-plantings: Plant Apr 6 and again by Aug 23; both mature before Oct 31.Aug 23
Arugula—Feb 23–May 18264two-plantings: Plant Feb 23 and again by Sep 21; both mature before Nov 14.Sep 21
Brussel SproutsFeb 23Mar 23–Apr 6236fits: 100 days to maturity, 236 available after Mar 23.Jul 23
Butternut SquashApr 6May 4–May 11152fits: 100 days to maturity, 152 available after May 4.Jun 11
EggplantMar 2May 4–May 11145fits: 70 days to maturity, 145 available after May 4.Jul 4
OkraMar 23Apr 27–May 4166two-plantings: Plant Apr 27 and again by Aug 2; both mature before Oct 10.Aug 2
BasilMar 16May 11–May 11152two-plantings: Plant May 11 and again by Jul 28; both mature before Oct 10.Jul 28
Cilantro—Mar 23–Apr 13222two-plantings: Plant Mar 23 and again by Aug 28; both mature before Oct 31.Aug 28
ParsleyFeb 9Apr 27–May 4187fits: 70 days to maturity, 187 available after Apr 27.Aug 8
CeleryFeb 9Apr 27–May 11187fits: 120 days to maturity, 187 available after Apr 27.Jun 19
ScallionsFeb 9Mar 23–Apr 6236two-plantings: Plant Mar 23 and again by Sep 1; both mature before Nov 14.Sep 1
Turnip—Mar 23–Apr 6236two-plantings: Plant Mar 23 and again by Sep 11; both mature before Nov 14.Sep 11
Kohlrabi—Mar 9–Mar 23250two-plantings: Plant Mar 9 and again by Sep 6; both mature before Nov 14.Sep 6
Bok ChoyMar 23Apr 13–Apr 20201two-plantings: Plant Apr 13 and again by Sep 2; both mature before Oct 31.Sep 2
CollardsFeb 9Mar 23–Apr 6236two-plantings: Plant Mar 23 and again by Sep 1; both mature before Nov 14.Sep 1
CantaloupeApr 6May 4–May 11145fits: 85 days to maturity, 145 available after May 4.Jun 19
ChivesJan 26Apr 27–May 4201fits: 90 days to maturity, 201 available after Apr 27.—
Dill—Feb 23–May 18250two-plantings: Plant Feb 23 and again by Aug 23; both mature before Oct 31.Aug 23
OreganoFeb 9Apr 27–May 4201fits: 80 days to maturity, 201 available after Apr 27.—
RosemaryJan 26Apr 27–May 4187fits: 80 days to maturity, 187 available after Apr 27.—
SageFeb 23Apr 27–May 4201fits: 75 days to maturity, 201 available after Apr 27.—
ThymeFeb 9Apr 27–May 4201fits: 90 days to maturity, 201 available after Apr 27.—
CalendulaMar 9Apr 6–Apr 20208two-plantings: Plant Apr 6 and again by Aug 28; both mature before Oct 31.Aug 28
CosmosMar 23Apr 20–May 4173two-plantings: Plant Apr 20 and again by Jul 28; both mature before Oct 10.Jul 28
LavenderJan 26Apr 20–May 4208fits: 90 days to maturity, 208 available after Apr 20.—
MarigoldsMar 9Apr 20–Apr 27173two-plantings: Plant Apr 20 and again by Aug 7; both mature before Oct 10.Aug 7
MelonsApr 6May 4–May 11145fits: 85 days to maturity, 145 available after May 4.Jun 19
Mint—Apr 20–May 4208fits: 90 days to maturity, 208 available after Apr 20.—
NasturtiumsMar 23Apr 20–Apr 27173two-plantings: Plant Apr 20 and again by Aug 2; both mature before Oct 10.Aug 2
Pole Beans—Apr 27–May 11166fits: 65 days to maturity, 166 available after Apr 27.Jul 23
Spaghetti SquashApr 6May 4–May 11152fits: 90 days to maturity, 152 available after May 4.Jun 21
Sunflowers—Apr 20–May 4173fits: 70 days to maturity, 173 available after Apr 20.Jul 18
TomatillosFeb 23Apr 27–May 4152fits: 75 days to maturity, 152 available after Apr 27.Jun 29
WatermelonApr 6Apr 27–May 4152fits: 80 days to maturity, 152 available after Apr 27.Jun 24
Yellow SquashApr 6May 4–May 11159two-plantings: Plant May 4 and again by Aug 2; both mature before Oct 10.Aug 2
ZinniasMar 23Apr 20–May 4173two-plantings: Plant Apr 20 and again by Jul 28; both mature before Oct 10.Jul 28

Month by month in Beaverton

MonthWhat to do
JanuaryStart indoors: Chives (Jan 26), Lavender (Jan 26), Onion (Jan 26), Rosemary (Jan 26).
FebruaryStart indoors: Celery (Feb 9), Collards (Feb 9), Kale (Feb 9), Oregano (Feb 9), Parsley (Feb 9), Scallions (Feb 9), +8 more. Direct sow from: Arugula (Feb 23), Beets (Feb 23), Dill (Feb 23), Peas (Feb 23), Radish (Feb 23), Spinach (Feb 23).
MarchStart indoors: Eggplant (Mar 2), Calendula (Mar 9), Cauliflower (Mar 9), Marigolds (Mar 9), Pepper (Mar 9), Basil (Mar 16), +8 more. Direct sow from: Kohlrabi (Mar 9), Cilantro (Mar 23), Turnip (Mar 23), Carrots (Mar 30). Transplant from: Broccoli (Mar 23), Brussel Sprouts (Mar 23), Cabbage (Mar 23), Collards (Mar 23), Kale (Mar 23), Lettuce (Mar 23), +2 more. Plant: Strawberry (Mar 16).
AprilStart indoors: Butternut Squash (Apr 6), Cantaloupe (Apr 6), Melons (Apr 6), Pumpkin (Apr 6), Spaghetti Squash (Apr 6), Watermelon (Apr 6), +2 more. Direct sow from: Potatoes (Apr 6), Sunflowers (Apr 20), Beans (Apr 27), Pole Beans (Apr 27). Transplant from: Calendula (Apr 6), Swiss Chard (Apr 6), Bok Choy (Apr 13), Cauliflower (Apr 13), Cosmos (Apr 20), Lavender (Apr 20), +15 more. Last frost around April 20.
MayTransplant from: Butternut Squash (May 4), Cantaloupe (May 4), Cucumber (May 4), Eggplant (May 4), Melons (May 4), Pepper (May 4), +6 more.
JuneLast sowing dates: Butternut Squash (Jun 11), Pumpkin (Jun 11), Cantaloupe (Jun 19), Celery (Jun 19), Melons (Jun 19), Spaghetti Squash (Jun 21), +4 more.
JulyLast sowing dates: Eggplant (Jul 4), Corn (Jul 6), Sunflowers (Jul 18), Brussel Sprouts (Jul 23), Pole Beans (Jul 23), Basil (Jul 28), +4 more.
AugustLast sowing dates: Nasturtiums (Aug 2), Okra (Aug 2), Yellow Squash (Aug 2), Zucchini (Aug 2), Cauliflower (Aug 3), Beans (Aug 4), +10 more.
SeptemberLast sowing dates: Collards (Sep 1), Scallions (Sep 1), Bok Choy (Sep 2), Lettuce (Sep 2), Kale (Sep 6), Kohlrabi (Sep 6), +4 more.
OctoberDirect sow from: Garlic (Oct 24). First frost around October 24.
NovemberLast sowing dates: Garlic (Nov 14).
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 Beaverton, OR (ZIP 97006)?

The median last spring frost date for Beaverton, OR (ZIP code 97006) is around April 20. 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 30; one in ten it runs past May 10.

What is the first fall frost date in Beaverton, OR?

The median first fall frost date for Beaverton, OR is around October 24. 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 5 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Beaverton, OR?

The frost-free growing season in Beaverton is about 187 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 Beaverton (187 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 Beaverton, OR?

Beaverton, OR is in USDA hardiness zone 8b (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 Beaverton, OR?

Start tomatoes indoors Mar 16 and plant out May 4 in Beaverton. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Beaverton?

Two: plant Mar 23 and again by Sep 2; both mature before Oct 31.

When do I plant garlic in Beaverton?

Oct 24 to Nov 14; it overwinters and is ready the following summer.

Can I get two tomato crops in Beaverton?

Yes: plant out May 4 for a summer crop, and set out a second round of transplants by Jun 24 for a fall crop.

Which nearby ZIP has a longer season?

Portland (ZIP 97229) has 203 frost-free days, 16 more than Beaverton (ZIP 97006). See Portland ZIP 97229 frost dates

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