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Can You Grow Rosemary in Alaska?

US · USDA Zone 4b · zones 1a, 1b, 2a, 2b

Won't grow here

Rosemary is a tender perennial that will not survive your winters outdoors — grow in a container and bring it inside.

Plant zones

6a–11b

Alaska last frost

mid-April

Alaska first frost

mid-October

Days to harvest

Perennial

About Rosemary

Rosemary is a Mediterranean herb that thrives in poor well-drained soil and full sun once established.

Plant in the sunniest most well-drained spot. Excellent in containers — bring indoors in winter in cold zones. Drought-tolerant once established. Avoid overwatering.

Full rosemary growing guide →

Gardening in Alaska

Alaska ranges from subarctic to maritime climates. The interior has very short summers but intense sunlight. Coastal areas are milder. Cold-hardy crops and greenhouses are key.

See what grows well in Alaska →

Frequently asked questions

Can you grow Rosemary in Alaska?

Rosemary is a tender perennial that will not survive your winters outdoors — grow in a container and bring it inside.

What zone is Alaska?

Alaska spans USDA Zone 4b (1a, 1b, 2a, 2b).

When do you plant Rosemaries in Alaska?

See the planting guide for Rosemary — timing depends on your exact frost date.