Cypripedium Ulla Silkens Isopyrum In warmer climates where there

In warmer climates where there is no winter dieback

Our 20-year-old specimen has formed a 10' tall x 2' wide phallic exclamation point in the garden and

Garden Value:

Divide clumps when they get crowded and replant

afghanistanica 'Silver Lyre'

Cypripedium Ulla Silkens Isopyrum In warmer climates where thereCypripedium '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