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Can You Grow Horseradish in Alaska?
US · USDA Zone 4b · zones 1a, 1b, 2a, 2b
Horseradish grows well here and is virtually impossible to kill — a great low-effort perennial.
Plant zones
Alaska last frost
Alaska first frost
Days to harvest
When to plant Horseradishes in Alaska
Direct sow
Harvest
Dates are approximate, based on Alaska'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 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.
Frequently asked questions
Can you grow Horseradish in Alaska?
Horseradish grows well here and is virtually impossible to kill — a great low-effort perennial.
What zone is Alaska?
Alaska spans USDA Zone 4b (1a, 1b, 2a, 2b).
When do you plant Horseradishes in Alaska?
Plant Horseradishes Oct 1 – Oct 31, harvest Jun – Jul (following year).