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Can You Grow Horseradish in Washington?
US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Horseradish grows well here and is virtually impossible to kill — a great low-effort perennial.
Plant zones
Washington last frost
Washington first frost
Days to harvest
When to plant Horseradishes in Washington
Direct sow
Harvest
Dates are approximate, based on Washington's average frost dates. Your exact yard may vary by microclimate.
About Horseradish
Horseradish is a vigorous, nearly indestructible perennial grown for its pungent taproot — the fresh stuff blows store-bought away. Plant it where you want it to stay.
Plant root cuttings in spring, burying on a slight angle. Harvest roots in fall after a few frosts for best heat. It spreads — contain it in a pot or dedicated bed.
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.
Frequently asked questions
Can you grow Horseradish in Washington?
Horseradish grows well here and is virtually impossible to kill — a great low-effort perennial.
What zone is Washington?
Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).
When do you plant Horseradishes in Washington?
Plant Horseradishes Oct 1 – Oct 31, harvest Jun – Jul (following year).