Does anyone know if butterfly bush Nanho Purple or Ile De France will come true from seed?
Also, has anyone grown columbine Nora Barlow from seed? I collected some earlier and after 16 days they have not sprouted. They are surface sown and kept moist. I have read on 1 site that they should be frozen for 5-7 days first, but have not seen this info anywhere else.
Thanks much for any help : )
Vicki
Question about butterfly bush & columbine
Sometimes columbines do benifit from a cold spell. If you can stick your tray in a plastic bag and refrigerate for a few weeks it might help.
Thanks poppysue, will do.
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