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When to Plant White Mustard in Zone 9

In USDA zone 9, plant outdoors March 8 to May 27, and expect your first harvest around May 27.

White Mustard planting calendar for USDA Zone 9

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Direct sow

Mar 8

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Projected first harvest

May 27

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🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 9a — approximate

White Mustard is ready to harvest in about 80 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 white mustard

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 white mustard need about 80 days to mature.

Varieties to grow

1 variety of white mustard in the HomeSown library. Tap any for its full grow guide.

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