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claysoil

How long to keep in cold stratification?

claysoil
20 years ago

I know that the seeds need 6 weeks of cold to start sprouting. My question is at what point do you figure that any unsprouted seeds need another round of warmth? I have some of the Elisabeth Town hellebore seeds in the fridge and am wondering at what point this summer I should bring them back to warmth if they have not sprouted.

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