A purple field
Diane Whitehead (Wed, 15 Jun 2011 17:31:06 PDT)

Besides being invasive, it is poisonous to livestock, particularly
ones with a simple digestive system like horses. I suspect it was
grown originally as a bee plant as it produces copious nectar, but
unfortunately the honey is also toxic, and needs to be diluted with
non-echium honey.

Diane

On 15-Jun-11, at 4:34 PM, Mary Sue Ittner wrote: