Seed Stratification

Last spring I started some Agastache mexicana seeds indoors but got very spotty germination.  I decided to investigate whether or not stratification would improve germination.  I think that it will.  Here’s the why and how: Many seeds have built in germination inhibitors.  This prevents them from germinating until more ideal growing conditions are present.  Stratification is one method of mimicking natural conditions that seeds are exposed to prior to...

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