Dampen a Paper Towel

Fold a paper towel in half. Sprinkle it with water until it's barely damp but not soggy.

Treat the Seeds

Sprinkle the coneflower seeds on one-half of the paper towel. Fold the towel in half so the seeds are between two layers of moist towel. Seal the towel in a plastic bag and keep it in the refrigerator for eight to 12 weeks. This cold treatment mimics winter conditions and helps the seeds break dormancy so they can germinate.

 

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