I've not seen butterflyweed grow and spread as prolifically as what you showed in your first post delmar, but you might look it up. They look similar at a young age. These are middle aged ones just starting to flower.
http://i390.photobucket.com/albums/o...o/photo-23.jpg
older and flowering complete with milkweed bug about to feed.
http://i390.photobucket.com/albums/o...o/photo-24.jpg
