Colchicums in zone 9?

Jason_D_B(9a NE FL)May 22, 2012

Can colchicums grow and bloom successfully in zone 9? If not do I refigerate them like tulips? How many hours? Do they need to be cold when they bloom like tulips? Would it be easier to force them in fall and let them grow in winter when the temps are usually in the 20's to 30's at night?

I have the same questions about old world mandrakes (Mandragora officinarum) because they look like primrose, but there is so little info about them its shocking. I did get enough info to tell me they are picky though... bummer.

-Jason

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