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Can You Grow Rosemary in Washington?

US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b

Grows well here

Rosemary grows as a perennial here — establish it once and it will thrive for years.

Plant zones

6a–11b

Washington last frost

late January

Washington first frost

mid-December

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 Washington

Washington has dramatically different climates. The wet maritime west (Zone 8a-8b) is mild and productive year-round. Eastern Washington is semi-arid and colder (Zone 5-6) with hot dry summers.

See what grows well in Washington →

Frequently asked questions

Can you grow Rosemary in Washington?

Rosemary grows as a perennial here — establish it once and it will thrive for years.

What zone is Washington?

Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).

When do you plant Rosemaries in Washington?

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