One of my favorite books is missing from Mary Sue's list and that is by Jack Elliott, who I so much wish could be part of our discussion. I find his Bulbs for the Rock Garden to be a very practical guide, certainly not complete, but a good distillation of many years of practical, hands on, growing experience. Ernie O'Byrne Northwest Garden Nursery 86813 Central Road Eugene OR 97402-9284 USA Phone: 541 935-3915 FAX: 541 935-0863 Eugene, Oregon is USDA Zone 8a on the map, but we can only grow Zone 7 plants reliably. Member of NARGS, SRGC, RHS, American Primula Society, Meconopsis Group, Alpine-L, Arisaema-L, Hellebore Group