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Cypripedium parviflorum var. pubescens

Native Plants

Large Yellow Lady’s Slipper

3 Photos


Few wildflowers can rival large yellow lady’s slipper (Cypripedium parviflorum var. pubescens) in mid-May with is attractive pouch-like flowers. This perennial, multi-stemmed orchid bursts into bloom with 2-3″ wide, bright yellow irregular flowers borne terminally on 18″ tall leafy stems. Large yellow lady’s slipper performs best in partial shade with organic, moist, well-drained, and neutral to slightly alkaline soils. In woodlands with bright filtered light, it integrates nicely with yellow trillium (Trillium luteum), wild ginger (Asarum canadense), Christmas fern (Polystichum acrostichoides), northern barren strawberry (Waldsteinia fragarioides), woodland phlox (Phlox divaricata), wild geranium (Geranium maculatum), wild bleeding heart (Dicentra eximia), twinleaf (Jeffersonia diphylla), and oakleaf hydrangea (Hydrangea quercifolia). Zones 3-8. 

More Details

  • Plant Type
  • Sun/Shade Conditions
  • Foliage Character
  • Soil Moisture
  • Flowering Period
  • Soil PH
  • Flower Color
  • Summer Foliage Color
  • Other Scientific Names

    Cypripedium calceolus

  • Fall Foliage Color
    dormant, yellow 
  • Other Common Names
    greater yellow lady's slipper 
  • Fruit/Seed Color