Species Orchid, Cypripedium, Lesser Yellow Lady's Slipper

Cypripedium parviflorum

Family
Orchidaceae (or-kid-AY-see-ee)
Genus
Cypripedium (sip-rih-PEE-dee-um)
Species
parviflorum (par-VEE-flor-um)
Synonym
Cypripedium parviflorus
Cypripedium parviflora
Sun Exposure
Light Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Hardiness
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)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Pale Yellow
Cream/Tan
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Flowers are good for drying and preserving
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; germinate in vitro in gelatin, agar or other medium
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Prospect, Kentucky

Kalamazoo, Michigan

Raleigh, North Carolina

Washington Island, Wisconsin

Featured Videos

Gardener's Notes:

2
positives
1
neutral
0
negative
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C
ROSLINDALE, MA | July 2016 | neutral

This is considered one of the ladyslippers that adapts most easily to cultivation.

Two varieties of this species are popul...Read More

A
(Zone 6b) | January 2016 | positive

Cypripedium parviflorum is one of the best growing orchids in my garden in Tyrol Austria. Here it blooms together with Aquilegia canaden...Read More

T
Mahtowa, MN | February 2010 | positive

Nice native plant growing like a weed in our wetlands. Doesn't like mechanical disturbance or transplanting.

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