Harvest Moon had malformed blooms is pretty common with Big Sky plants , not a strong grower that has never overwintered for me
Aster Yellow damage.
http://www.google.com/imgres?i...
http://www.clemson.edu/extensi... See if this helps.
If the leaves look fine and the flower petals are correct color chances are it is mites , if the flower petals are green and it looks like small leaves are growing out of flower it might be Aster Yellow.
