Alphabetical Plant Listing

Cypripedium parviflorum var. pubescens (Yellow Lady's Slipper)

Yellow Lady's Slipper, Greater Yellow Lady's Slipper, Large Yellow Lady's Slipper, Cypripedium calceolus var. pubescens, Cypripedium luteum, Cypripedium pubescens, Cypripedium pubescens var. parviflorum


Cypripedium parviflorum var. pubescens (Yellow Lady's Slipper) is a hardy orchid boasting showy flowers with a large, deep lemon-yellow pouch covered with red spots in the throat, topped with green and chocolate-brown petals that twist outwards in spirals. Blooming from late spring to midsummer (depending on geographic locations), the sophisticated flowers are borne at the top of the stems, usually singly, but occasionally in pairs. The stems bear between 3-6 pointed, oval, pleated leaves that have fine hairs and prominent veins. Big and bold, this plant can form a showy clump of 20 or more stems, however plants with 3-5 stems is closer to the norm. Easy to grow, Yellow Lady's Slipper is a great deal tougher than it appears. This is the most common wild orchid in the U.S. and is found in almost every state. 

  • Grows up to 18-24 in. tall (45-60 cm) and 12-18 in. wide (30-45 cm).
  • Thrives in part shade in moist, fertile, humus-rich, well-drained soils. Provide an annual winter mulch of leaf mould.
  • Excellent choice for borders, city gardens, cottage gardens and containers.
  • Propagate by division in early or mid-spring and replant immediately. Some of the soil from the root ball, which contains beneficial fungi, should be planted with each division.
  • No serious pest or disease issues. Keep an eye out for slugs and gray moulds.
  • Native from Subartic America to USA.

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Requirements

Hardiness 3 – 7
Heat Zones 1 – 7
Plant Type Perennials
Plant Family Cypripedium - Laddy Slippers
Exposure Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 12" – 18" (30cm – 45cm)
Water Needs Average
Maintenance Low
Soil Type Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Native Plants United States, Alaska, California, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Pacific Northwest, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southeast, Alabama, Arkansas, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, Southwest, Arizona, New Mexico, Texas
Garden Uses Beds and Borders, Patio and Containers
Garden Styles City and Courtyard, Informal and Cottage

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By Joshua Rozad, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 3 – 7
Heat Zones 1 – 7
Plant Type Perennials
Plant Family Cypripedium - Laddy Slippers
Exposure Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 12" – 18" (30cm – 45cm)
Water Needs Average
Maintenance Low
Soil Type Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Native Plants United States, Alaska, California, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Pacific Northwest, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southeast, Alabama, Arkansas, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, Southwest, Arizona, New Mexico, Texas
Garden Uses Beds and Borders, Patio and Containers
Garden Styles City and Courtyard, Informal and Cottage

Great Plant Combination Ideas with Cypripedium - Laddy Slippers

Guides with Cypripedium - Laddy Slippers

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