Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Broccoli > No head develops
Broccoli > Head > No head develops
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Club Root
Plasmodiophora brassicae
- Older plants fail to develop a head (blindness)
- Leaves turn pale yellow, wilt during hot, sunny days, and recover at night
- Young plants may die
- Roots are swollen in to large spindle shaped tumor like galls
- Common in wet soils with a low pH (acidic)
- More information on Club Root
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Cutworms (climbing and non-climbing)
- Can cause “blindness”, in which no head develops
- Plant is cut off at or just below the soil surface
- Can chew holes in leaves (spring and early summer)
- Cutworms are grayish or brownish and up to 2 inches long; typically found during day hiding in soil
- Damage occurs during spring and summer
- More information on Cutworms
