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Cypripedium columbianum

Cypripedium columbianum, commonly known as the Columbia Hybrid Lady's Slipper, is a captivating orchid with a unique appearance and interesting lineage.

Taxonomy and Nomenclature

• Scientific Name: Cypripedium columbianum Sheviak
• Common Name: Columbia Hybrid Lady's Slipper
• Family: Orchidaceae (Orchid family)
• Kingdom: Plantae
• Variety: Cypripedium
• Synonyms/Hybrids:
  • Cypripedium x columbianum

Description

• This hardy terrestrial orchid typically grows to a height of 30-50 cm.
• It is a perennial rhizomatous plant, reaching about 50 cm tall.
• The plant features green lanceolate to oval, erect leaves.
• It blooms in the spring, displaying a creamy white pouch and dark brown, curled petals.

Distribution and Habitat

• Cypripedium columbianum is found in the Pacific Northwest (PNW).
• Three species of the genus Cypripedium grow in the State of Washington.
• The plant is hardy to Zones 2-9.

Ecology

• Cypripedium columbianum is a natural hybrid between Cypripedium montanum and Cypripedium parviflorum.
• It is sometimes described as merging with C. parviflorum in the northwest.

Cultivation

• The plant is considered drought-tolerant.
• It can be grown in the morning or evening sun, but should avoid direct midday sun.

Quirky Facts

• A cross from 1991 (C. parviflorum x C. henryi) sometimes produces flowers in multiples of 2 or 3 on the media.
• Some growers consider Lady's Slipper (Cypripedium) to be the "Holy Grail of perennial garden plants."

Further Information

• RHS: Find help &amp information on Cypripedium columbianum from the RHS.
• World Checklist of Selected Plant Families: Cypripedium columbianum in World Checklist of Selected Plant Families.
• Frosch Exclusive Perennials: Specializes in hardy Lady's Slipper Orchids (Cypripedium) and choice alpine plants.