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Ministry of Agriculture, Food and Rural Affairs

Bolting

Low temperatures early in the growing season may cause premature seedstalk development (bolting). The earlier the seed is sown, the greater the probability of bolting. Bolting may also be caused by extreme changes in temperature, poor soil conditions or low nutrient levels. Some cultivars are more susceptible to bolting.

To minimize bolting, ensure transplants are properly hardened off before planting.

Bolting broccoli Bolting broccoli Bolting broccoli
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