When to Plant Horseradish in Zone 8
In USDA zone 8a, plant outdoors April 1 to September 28, and expect your first harvest around September 28. (8a shown here — see 8a and 8b dates separately below.)
Horseradish planting calendar for USDA Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Direct sow
Apr 1
Projected first harvest
Sep 28
Horseradish is ready to harvest in about 180 days, needing roughly 223 frost-free days in zone 8a.
Horseradish planting calendar for USDA Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Direct sow
Mar 20
Projected first harvest
Sep 16
Horseradish is ready to harvest in about 180 days, needing roughly 245 frost-free days in zone 8b.
Not sure whether you're in 8a or 8b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of horseradish in the HomeSown library. Tap any for its full grow guide.
Common problems with horseradish
What to watch for, with identification and treatment for each
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