frosted Narcissus collapse - why?

Arnold Trachtenberg
Mon, 01 Dec 2003 20:34:47 PST
I think it is a defense mechanism to allow the plants to get  close to 
the ground and stay warmer.  Fluid drains out of the green parts so as 
not to freeze and burst the cell walls.  When temps rise the sap returns 
to the leaf and they regain their structure.

New Jersey

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