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seedmoney

how to germinate Seven-Up plant

seedmoney
9 years ago

Howdy,
To attract hummingbirds to my Zone 8 coastal garden it was recommended I grow the Seven-Up Plant, Stachys albotomentosa. I have obtained seeds, which I sowed at 70F for one month. Still no germination. Does any one know if I shoud have cold stratified these first?

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