Yellow Lady’s Slipper

(Cypripedium parviflorum)

Yellow Lady’s Slipper (Cypripedium parviflorum)

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Estimated Native Range
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Summary

Cypripedium parviflorum, commonly known as Yellow Lady’s Slipper or Moccasin Flower, is a perennial herbaceous plant and a member of the orchid family. It is native to a variety of habitats including moist, open woodlands, wetlands, and bogs across North America. This orchid typically grows to a height of 6-15 inches (15-38 cm) and features large, showy yellow flowers that resemble a slipper, blooming from late spring to early summer. The flowers are often streaked or spotted with red or brown and are highly attractive to pollinators.

Yellow Lady’s Slipper is valued for its unique and striking flowers, which add a touch of exotic beauty to shade gardens and woodland plantings. It is a challenging plant to cultivate, requiring specific conditions that mimic its natural habitat, such as cool, moist, well-drained soil rich in organic matter and dappled shade. It is often used in native plant gardens and restoration projects. While it can be slow to establish, once acclimated, it requires minimal maintenance. Gardeners should be aware that Cypripedium parviflorum is subject to root rot if overwatered and can be difficult to propagate. It is not recommended for areas with hot, dry summers.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 0.5-2.5 feet
  • Width: 1-2 feet
  • Growth Rate: Slow
  • Flower Color: Brown, Yellow
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Part Shade
  • Water: Medium
  • Drainage: Slow, Medium, Fast

Common Uses

Bee Garden, Water Garden

Natural Habitat

Moist, open woodlands, wetlands, and bogs

Other Names

Common Names: Moccasin Flower, American Yellow Lady’s-Slipper, Greater Yellow Lady’s-Slipper, Lesser Yellow Lady’s-Slipper, Small Yellow Lady’s-Slipper, Yellow Lady’s-Slipper, Cypripède Jaune, Cypripède Parviflore

Scientific Names: , Cypripedium parviflorum, Cypripedium calceolus var. parviflorum, Cypripedium calceolus subsp. parviflorum, Calceolus parviflorus, Criosanthes parviflora, Cypripedium bulbosum var. parviflorum, Cypripedium flavescens, Cypripedium hirsutum var. parviflorum, Cypripedium hirutum var. parviflorum

GBIF Accepted Name: Cypripedium parviflorum Salisb.