Thrip Management

Warmer weather can sometimes bring unwanted pests in the garden. Thrips are the most damaging insects to the leaves of onions. They thrive when conditions are hot and dry. Cool weather slows their development, and heavy rain or overhead irrigation can significantly lower the population….

Bolting: Causes and Prevention

Bolting in Alliums Bolting can be a problem with onions, leeks, and related species, and generally occurs in response to cold weather stress. Sustained temperatures of less than 45° F may result in bolting with as few as five leaves present. If the temperature falls…