When to Plant White Mustard in Washington
Washington spans USDA hardiness 6a to 9b (zones 6a to 9b on this page). Plant white mustard by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 6a · Zone 6b · Zone 7a · Zone 7b · Zone 8a · Zone 8b · Zone 9a · Zone 9b
White Mustard planting calendar for Washington, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Direct sow
May 2
Projected first harvest
Jul 21
White Mustard is ready to harvest in about 80 days. Full zone 6 guide (both 6a and 6b) →
White Mustard planting calendar for Washington, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Direct sow
Apr 27
Projected first harvest
Jul 16
White Mustard is ready to harvest in about 80 days. Full zone 6 guide (both 6a and 6b) →
White Mustard planting calendar for Washington, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Direct sow
Apr 22
Projected first harvest
Jul 11
White Mustard is ready to harvest in about 80 days. Full zone 7 guide (both 7a and 7b) →
White Mustard planting calendar for Washington, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Direct sow
Apr 17
Projected first harvest
Jul 6
White Mustard is ready to harvest in about 80 days. Full zone 7 guide (both 7a and 7b) →
White Mustard planting calendar for Washington, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Direct sow
Apr 8
Projected first harvest
Jun 27
White Mustard is ready to harvest in about 80 days. Full zone 8 guide (both 8a and 8b) →
White Mustard planting calendar for Washington, Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Direct sow
Mar 27
Projected first harvest
Jun 15
White Mustard is ready to harvest in about 80 days. Full zone 8 guide (both 8a and 8b) →
White Mustard planting calendar for Washington, Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Direct sow
Mar 8
Projected first harvest
May 27
White Mustard is ready to harvest in about 80 days. Full zone 9 guide (both 9a and 9b) →
White Mustard planting calendar for Washington, Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Direct sow
Feb 22
Projected first harvest
May 13
White Mustard is ready to harvest in about 80 days. Full zone 9 guide (both 9a and 9b) →
Not sure which half-zone you're in? 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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