Seeds Explained: Germination, Heirloom vs Hybrid Seeds, GMOs & Seed Saving

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Seeds are the foundation of every successful garden—but not all seeds are created equal. In this episode of The Compost Pile, hosts David Pool and Aaron Barnhill break down everything you need to know about seeds, from germination basics to the differences between heirloom, hybrid, and GMO seeds.

We cover why some plants don’t grow true from seed, how temperature and moisture affect germination success, why seed size doesn’t equal plant size, and how gardeners can dramatically improve seed starting results by controlling key variables like heat and watering. You’ll also learn why certain plants are grown from tubers or grafts instead of seed, how hybrid seeds are created, and why GMO seeds are often misunderstood.

Whether you’re a beginner gardener, seed saver, or seasoned grower in Zone 9a and beyond, this episode will help you make better decisions when buying, storing, starting, and saving seeds.

Topics covered:

• What seeds really need to germinate successfully
• Why some seeds fail and others thrive
• Heirloom vs hybrid vs GMO seeds explained
• Saving seeds and understanding plant genetics
• Why potatoes, citrus, and apples aren’t grown true from seed
• Common seed myths and misconceptions

Perfect for home gardeners, homesteaders, seed starters, and anyone curious about how plants reproduce and why seed choice matters.


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