On 16/08/2013 10:24, Sacha wrote:
On 2013-08-16 08:58:51 +0100, echinosum said:

Sacha;989975 Wrote:
Two of the nursery team saw a very large butterfly yesterday...

Actually that could be a garbled description of a monarch.

Interesting idea. I'll show them the photos and see what they think.
It's interesting that it feeds on Milkweed...

That's the food plant of the caterpillar. Adults would only be on that
to lay eggs.
--
Phil Cook