• bolted_onion


Plants flower and set seed, rather than producing edible crops.  This is usually caused by change in day length through seasons and stress such as a cold spell or drought.

remedy: No chemical control currently available on the market.  Sow bolt resistent varieties and keep the soil moist.

Cultural Methods:Sow bolt-resistant varieties and keep the soil moist.  Raise plants in the greenhouse and plant out when the temperatures are warmer, or sow directly under cloches or fleece to provide additional warmth.