Winter may look quiet out in the garden, but behind the scenes things are starting to take off.

This week, host Tinisha Spain welcomes Kay Carnes, Champaign County Master Gardener, and Chuck Voigt, retired University of Illinois crop scientist, for a practical and timely conversation about seed storage, winter sowing, and preparing for spring success.

Proper Seed Storage

Chuck explains that many seeds from previous seasons remain perfectly viable when stored properly. Refrigeration is ideal for long-term preservation, while hot cars and fluctuating temperatures can dramatically reduce germination rates. There are a few exceptions. Onion family seeds and lettuces tend to lose viability more quickly. However, many other crops can surprise gardeners with their longevity. Chuck even shares a story of germinating tomato seeds that dated back to the late 1990s.

The group also discusses the cost-saving benefits of reusing seeds and participating in local seed exchanges, encouraging gardeners to share surplus seeds within their communities. 

Starting Seeds Indoors

Kay walks viewers through her indoor seed starting setup, including adjustable LED grow lights and heat mats that provide bottom warmth for warm-season crops like tomatoes and peppers.

Consistent temperature is critical for healthy seedlings. Without it, problems like damping off can quickly develop. The discussion highlights how affordable modern LED grow lights have become and how they allow gardeners to start strong plants even in the middle of winter.

Winter Sowing in January

Chuck’s winter sowing guide has become a favorite resource among viewers. He outlines which crops can and should be started in January, especially cool-season vegetables that need a head start before early to mid-April planting.

Recommended January sowing crops include: 

• Onions
• Leeks
• Chives
• Celery
• Parsley

Chuck suggests starting seeds in flats before transplanting them into cell packs, allowing for better root development and easier management.   

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