Video: Rolling Onions to Reduce Bacterial Bulb Rot
Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Onions are most susceptible to infections from bacterial bulb rotting pathogens when plants have soft necks, green leaves and are standing upright. The process of rolling the onion foliage protects the leaf axils from new bacterial infections. This 4 minute video explains the concept of rolling onions to stop the rot.


Upcoming Events
Rochester Soil Health Field Day
September 16, 2025
Rochester, NY
Join us for a hands-on soil health field day! This event is for small-scale and urban growers, gardeners and farmers, with a focus on best practices for building soil health and cover cropping, and is a part of the 2025 Soil Health and Climate Resilience Field Days. It will offer valuable insights and hands-on demonstrations to enhance soil health.
Our attendance capacity has been reached for this event. A waitlist option is available.