Open pollinated.
Perennial to Zone 3. Bushy 2' stand of grey-green woolly leaves make a good border. Horehound candies were once common for soothing coughs and the tea makes a strong remedy for coughs and lung congestion. One of the bitter herbs of Passover.
Transplant while seedlings are still small or direct seed into light dry sandy soil. ~950 seeds/g.
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