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UC IPM Home > Homes, Gardens, Landscapes, and Turf > Vegetables > Environmental Disorders

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How to Manage Pests

Pests in Gardens and Landscapes

Cold weather

During a period of cold weather after plants are about 6 to 10 weeks old, onions develop seedstalks.

Solutions

Plant the right variety at the proper time for your area. If onion sets are planted, use only small sets.

Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2008 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/GARDEN/VEGES/ENVIRON/onioncold.html revised: January 17, 2008. Contact webmaster.