When to Plant White Mustard in Zone 4
In USDA zone 4a, plant outdoors May 22 to August 10, and expect your first harvest around August 10. (4a shown here — see 4a and 4b dates separately below.)
White Mustard planting calendar for USDA Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Direct sow
May 22
Projected first harvest
Aug 10
White Mustard is ready to harvest in about 80 days, needing roughly 128 frost-free days in zone 4a.
White Mustard planting calendar for USDA Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Direct sow
May 17
Projected first harvest
Aug 5
White Mustard is ready to harvest in about 80 days, needing roughly 138 frost-free days in zone 4b.
Not sure whether you're in 4a or 4b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of white mustard in the HomeSown library. Tap any for its full grow guide.
Common problems with white mustard
What to watch for, with identification and treatment for each
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