When to Plant Horseradish in Zone 10
In USDA zone 10a, plant outdoors January 30 to July 29, and expect your first harvest around July 29. (10a shown here — see 10a and 10b dates separately below.)
Horseradish planting calendar for USDA Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Jan 30
Projected first harvest
Jul 29
Horseradish is ready to harvest in about 180 days, needing roughly 334 frost-free days in zone 10a.
Horseradish planting calendar for USDA Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Jan 30
Projected first harvest
Jul 29
Horseradish is ready to harvest in about 180 days, needing roughly 334 frost-free days in zone 10b.
Not sure whether you're in 10a or 10b? 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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