EP336- One Problem Three Solutions: Why Seeds Fail After Germination.
Show notes
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Your seeds are not “mysteriously bad” overnight. When carrots, peas, and lettuce fail again and again, the real culprit is usually the same thing we have all been living through: wild swings in soil temperature and moisture, plus bursts of intense sun followed by heavy rain. We break down what those swings do at the exact moment seeds try to germinate, and why the first few days after emergence are the most vulnerable stage of the entire growing season.
We get specific about the tricky crops. Carrots can sit in cold, wet ground and do nothing, or they can germinate and then vanish when the surface dries before roots establish. Lettuce brings a different problem: once temperatures climb above around 20°C, lettuce seed may refuse to germinate at all, especially in a polytunnel or greenhouse that can hit extreme heat. We also talk about the frustrating stuff that looks like a germination failure but is actually slug and snail damage, plus why seed quality is worth considering even if it is not the most likely cause.
Then we lay out a simple, practical rescue plan to save your season and avoid a harvest gap: sow peas and lettuce in trays and in the ground for a staggered backup, manage heat with shade during germination, keep compost evenly moist with quick daily checks, and use plug plants strategically to bridge missing weeks (with a clear warning on carrot plugs). If you have been doubting yourself, this is your reminder that even seasoned growers get failures, and the best growers adapt to what their own garden is doing.
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Until next week
Happy gardening
John
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