Davie Ehrlich asked "Now, who's going to start a thread on butterfly attracting flowers?" I will, by noting that with butterflies the flowers may not be the most important element: in many cases it's the scent of the plant which attracts the butterflies. Jim McKenney Montgomery County, Maryland, USA, USDA zone 7, where Crocus asumaniae has two fat buds up and three Sternbergia lutea variants are blooming under cloudy skies with rain on the way for the next few days.