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Mustard Growth Characteristics
Mustard seedlings emerge rapidly but tend to grow slowly after emergence. Under favorable moisture and temperature conditions, the ground will be covered in four or five weeks.
Five weeks after emergence, the plants begin to bug. The crop will appear to be rather uneven at this stage of development. A week to 10 days later it will develop into full yellow bloom and the plant stand will appear more even. Good moisture supplies and cool temperatures favor a long blossoming period. The long the blooming period, the higher the yield potential. Full grown plants usually vary in height from 30-45 inches depending on type, variety and environmental conditions.
Small grain crops following mustard in rotations will usually yield better than following small grains. Crops that can be sprayed with 2,4-D or MCPA should follow mustard so that any volunteer plants can be controlled. Crops such as sunflower, canola, safflower, crambe, dry bean and soybean are not recommended in close rotation with mustard, as they are all susceptible to sclerotinia (white mold).
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