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07/20/2019Gardens close at 4 pm on 7/19. Twilight on the Terrace rescheduled to 7/26.

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Mt Cuba Center

07/20/2019
Gardens close at 4 pm on 7/19. Twilight on the Terrace rescheduled to 7/26.

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Mt Cuba Center
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Cypripedium parviflorum var. pubescens

Native Plants

Large Yellow Lady’s Slipper

3 Photos


Summary

Few wildflowers can rival large yellow lady’s slipper 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 Trillium luteum, Asarum canadense, Polystichum acrostichoidesGeum fragarioides, Phlox divaricata, Geranium maculatum, Dicentra eximia, Jeffersonia diphylla, and Hydrangea quercifolia.


More Details

  • Plant Type
    perennial 
  • Sun/Shade Conditions
    filtered-shade, partial-shade 
  • Foliage Character
    deciduous 
  • Soil Moisture
    average, moist 
  • Flowering Period
    late-spring, mid-spring
  • Soil PH
    adaptable, alkaline 
  • Flower Color
    yellow 
  • Summer Foliage Color
    green 
  • Other Scientific Names

    Cypripedium calceolus

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