Monarch/Milkweed question

[John MacGregor]

> Your milkweeds may be excessively toxic, after their experience of last
> year

Ann,

Am I missing something?  What would make milkweeds "excessively toxic, after
their experience of last year"?  What experience?  Please, do, explain.

John MacGregor
jonivy at earthlink.net 

 
 ------------------------------------------------------------ 

   For subscription and related information about LEPS-L visit:

   http://www.peabody.yale.edu/other/lepsl