When to Plant Horseradish in Zone 9
In USDA zone 9, plant outdoors March 1 to August 28, and expect your first harvest around August 28.
Horseradish planting calendar for USDA Zone 9
Direct sow
Mar 1
Projected first harvest
Aug 28
Horseradish is ready to harvest in about 180 days. Dates use USDA zone 9a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 9 means for horseradish
Average last spring frost
March 1
Average first fall frost
December 1
Those two dates are what set the schedule above. Zone 9 gives you roughly 275 frost-free days, and horseradish need about 180 days to mature.
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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