The Q&A Archives: Seed Starting

Question: Please give instructions on starting edelweiss(Leontopodium alpinum) and Agastache (fragrant mixed). Do they have to be scored or soaked?

Answer: Leontopodium, or edelweiss, are compact (12") perennials bearing bright white, star-shaped flowers above woolly, lance-shaped leaves. Plants prefer partly shady conditions in gritty, loose soil. Seeds have a pre-chill requirement. Mix together with moistened growing medium, seal in a plastic bag, and refrigerate for 3 weeks. Then sow seeds indoors on the surface of moistened seed starting mix, or outdoors in a prepared garden bed. Seedlings will appear in 10-42 days.

Agastache, or hyssop, are summer-blooming plants, growing 2'-6' tall, with spikes of purple, blue, or green flowers above anise-scented, coarse-textured leaves. Plants grown from seed will bloom in 2 years. Provide full sun to light shade in well-draining, fairly rich soil. Seeds are easy to germinate. Sow indoors on the surface of moistened seed starting mix, or outdoors directly in a prepared bed, and just barely cover seeds with additional soil. Seedlings should appear in 30-90 days.

Neither seed type needs to be scored or soaked prior to sowing.

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