Species Orchid, Cypripedium, Queen's Lady's Slipper, Showy Lady's Slipper
Cypripediumreginae

Family: Orchidaceae (or-kid-AY-see-ee)
Genus: Cypripedium (sip-rih-PEE-dee-um)
Species: reginae (ree-JIN-ay-ee)

Synonym:Calceolus reginae

Synonym:Cypripedium album

Synonym:Cypripedium canadense

Synonym:Cypripedium spectabile

Category
Perennials

Water Requirements
Very high moisture needs; suitable for bogs and water gardens

Sun Exposure
Light Shade

Foliage
Herbaceous
Succulent

Foliage Color
Blue-Green

Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing
24-36 in. (60-90 cm)

Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)

Where to Grow
Grow outdoors year-round in hardiness zone

Danger
Handling plant may cause skin irritation or allergic reaction

Bloom Color
Pink
White/Near White

Bloom Characteristics
Flowers are good for drying and preserving

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements
7.9 to 8.5 (alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds