Cypripedium Ulla Silkens Isopyrum Divide clumps when they get

Divide clumps when they get crowded and replant

afghanistanica 'Silver Lyre'

If you love ferns

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

Cypripedium Ulla Silkens Isopyrum Divide clumps when they getCypripedium '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