Cypripedium Ulla Silkens Tony's Favorites which well-describes a clump in

which well-describes a clump in flower

hailing from 1

You've seen it pictured on everything from postcards to calendars

a wonderful fragrance

Cypripedium Ulla Silkens Tony's Favorites which well-describes a clump inCypripedium 'Ulla Silkens' is a stunning 1996 hybrid from Svante Malmgren. This vigorous hybrid strain is a cross of the American Cypripedium reginae x the rare Chinese Cypripedium flavum. Cypripedium 'Ulla Silkens' is much easier to grow than its parents and will take a good bit of sun in cooler climates, but still prefers moist alkaline soils. The 2' tall flowering stalks that appear in mid to late June are topped with huge slippers of burgundy and