Alaska · zones 3a8a

When to plant strawberries in Alaska.

Sow or transplant between Apr 28 to Jun 2 in a typical year, keyed to Alaska's median last frost around May 12. A second, fall sowing fits Jul 17 to Aug 16. Dates below are state medians; your ZIP code shifts them by days to weeks.

The 2026 windows

Strawberries dates for a typical Alaska season.

1 · Start indoors

Mar 17 to Apr 21

About 6 weeks before set-out. Warm spot, real light.

2 · Set out

Apr 28 to Jun 2

Keyed to the ~May 12 last frost. Sow 0" deep, 12" apart.

Fall round

Jul 17 to Aug 16

Counted back from the ~Sep 15 first frost.

Harvest

~90 days later

~1.5 lb per plant over ~8 weeks.

Alaska spans more than one climate: Zone 3 is the most common zone, but the state runs 3a to 8a. That's why the planner works from your ZIP code's frost dates, not your zone: mountain and coastal gardens in the same state can be three weeks apart.

In Alaska: watch for

The pests that find strawberries here.

The short season here, about 126 frost-free days, keeps strawberry, day-neutral in front of spotted wing drosophila only briefly. One early row cover usually carries a planting through the worst of it.

Spotted wing drosophila

Soft, quickly-rotting ripe berries with tiny larvae inside.

Organic fix: Pick often, chill fast, hang traps, exclude with fine netting.

Japanese beetles

Metallic beetles skeletonizing the leaves in summer.

Organic fix: Handpick into soapy water; neem.

Aphids

Clusters on new canes and shoot tips.

Organic fix: Insecticidal soap or neem.

Powdery mildew & gray mold

White powder on leaves, or fuzzy gray rot on the fruit.

Organic fix: Prune for airflow, water at the base, spray neem.

Your season math: Alaska gives strawberries about 126 frost-free days, and it needs roughly 90 days to a first harvest. It's a one-planting crop, so time that single sowing well.

Planting strawberries in Alaska: questions

When should I plant strawberries in Alaska?+

In a typical Alaska year, sow strawberries or set out transplants between Apr 28 to Jun 2, keyed to the state's median last frost around May 12. There's also a fall window: Jul 17 to Aug 16. Your exact dates shift with your ZIP code and microclimate.

When do I start strawberries seeds indoors in Alaska?+

Start seeds inside about 6 weeks before set-out: roughly Mar 17 to Apr 21 for a typical Alaska season.

What USDA zone is Alaska?+

Alaska spans zones 3a–8a, mostly zone 3. But frost dates, not zones, set planting time. The free planner uses your ZIP code's actual frost dates.

How many strawberries plants do I need?+

Depends who you're feeding. The crop page has exact counts per household size, or the free planner does the math for your family in about 60 seconds.