Mustard grows fast, so you can begin picking leaves in about 4 weeks, when the leaves are 6 to 8 inches long. Left alone, leaves reach their full size of 15 to 18 inches long in about 6 weeks.

How long does a mustard plant take to grow?

Mustard is a cool-season leaf crop. Sow mustard as early as 4 to 6 weeks before the average last frost date in spring. Sow succession crops every 4 to 6 weeks. Mustard requires 30 to 40 days to reach harvest.

Is mustard easy to grow?

Fast and easy to grow, mustard dresses up the fall garden with its frilly or colorful leaves. Mustard is always best as a fall crop, unless you want to grow seeds for grinding into spicy condiments. Growing mustard for seeds is best done in spring, because lengthening days trigger mustard plants to produce flowers.