Cypripedium Ulla Silkens Isopyrum (aka: Callianthe megapotamica) Hailing from

(aka: Callianthe megapotamica) Hailing from the hot bed of many great garden plants

afghanistanica 'Silver Lyre'

Male fern grows equally as well in acid or slightly alkaline soils

In warmer climates where there is no winter dieback

Cypripedium Ulla Silkens Isopyrum (aka: Callianthe megapotamica) Hailing fromCypripedium '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