HomeCities › Anchorage

What Grows in Anchorage, AK?

Anchorage has a surprisingly moderate Alaskan climate with up to 19 hours of summer daylight that accelerates plant growth.

Zone

USDA 4b

Last frost

May 5

First frost

September 3

Frost-free days

120
Quick Answer

Anchorage is in USDA Zone 4b with about 120 frost-free days, and you can grow kale, cabbage, broccoli, lettuce, and more here.

Planting tips for Anchorage

Long daylight hours compensate for short season. Start seeds indoors 6-8 weeks early. Use row covers.

What to plant, and when

Timing by your frost dates — last frost May 5, first frost September 3.

🌱 Start indoors (pre-frost)

Tomato, Cherry Tomato, Bell Pepper, Chili Pepper, Cucumber, Zucchini, Pumpkin, Basil

❄️ Direct-sow early (cool season)

Lettuce, Spinach, Kale, Broccoli, Carrot, Radish, Beets, Onion

☀️ Plant after last frost

Green Beans, Potato, Corn, Microgreens, Rhubarb, Mint

🍂 Plant in fall

Garlic

What grows well in Anchorage

USDA Zone 4b

Borderline — needs extra care

Frequently asked questions

What hardiness zone is Anchorage, AK in?

Anchorage, AK is in USDA Hardiness Zone 4b. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

When is the last frost in Anchorage?

The average last spring frost in Anchorage is around May 5, and the first fall frost is typically September 3. Plan to move tender plants outside after May 5 and have them harvested (or protected) before September 3.

What grows well in Anchorage?

Plenty — Anchorage's USDA Zone 4b climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.

How long is Anchorage's growing season?

Anchorage typically has around 120 frost-free days per year (roughly May 5 to September 3). That's enough for most annual vegetables if you start warm-season crops indoors and stick to faster-maturing varieties for anything tender.

What should I plant first in Anchorage?

Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Arugula, Radish are among the quickest from seed to harvest in Anchorage.

Can I grow vegetables in containers in Anchorage?

Yes — Anchorage's climate is container-friendly for the right crops. Tomato, Cherry Tomato, Bell Pepper all do well in pots, which also lets you start them a little earlier and move them in on cold nights.

When should I start seeds indoors in Anchorage?

For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around May 5), then transplant after the danger of frost has passed.

What's tricky to grow in Anchorage?

A few crops need extra care in Anchorage's climate — Collard Greens, Blackberry, Pawpaw are borderline here and may need season extension (row covers, cold frames, or a head start indoors).