Vegetables
Beginner
Article

When to Harvest Onions and How to Cure Them for Storage

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Aug 6, 2025, 07:12 PM
Brown onion lot
Photo: Unsplash - Lars Blankers

About This Resource

This article provides a comprehensive guide on when to harvest onions and how to cure them for long-term storage. It explains the signs of maturity in onions, such as yellowing leaves and soft stalks, and offers techniques for harvesting without damaging the bulbs. The curing process is detailed, emphasizing the importance of allowing onions to dry properly in a well-ventilated area for optimal storage. The article also covers the best practices for trimming and storing cured onions to ensure they last for several months. Readers will gain practical knowledge on maximizing their onion harvest and ensuring their longevity in storage.

Key takeaways

What to know before you act on this, from the SteadScape editors.

  • Harvest onions when leaves yellow and stalks flop, typically 3-5 months after planting, depending on variety.
  • Stop watering onions 7-10 days before harvest to enhance curing and storage potential.
  • Cure harvested onions for 7-10 days in a shaded, well-ventilated area to ensure they last for several months.
  • Trim roots and tops only after curing is complete to prevent moisture and mold issues during storage.
  • Store cured onions in a cool, dark place at 45-55°F for optimal longevity, using breathable containers like baskets or boxes.
Best for
Beginner homesteaders with a small garden; plan to harvest in late summer.
Pairs with
Garden Planner for your zone and frost dates.

Source Information

Domain: homesteadandchill.com

Summary and key takeaways written by SteadScape. How we choose resources

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