This plant doesn't appear on the 'Poisonous plant' list that I have. Is your dog eating it? I'm a bit surprised if he/she is. My Lab. only eats grass!

thanx 4 that -she aint eating it yet we have just bought the plant and i wanted t b sure as she tends to try eating anything ! she is german shorthaired pointer x weimaraner 5mths old and gorgeous

She should be fine - poor Agastache, though! :-((