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Pink Lady's Slipper

Cypripedium acaule

Also listed as Cypripedium hirsutum, Fissipes acaulis

Also known as Pink Ladyslipper, Moccasin Flower, Pink Lady's-slipper Orchid

herbaceousβ›… part shadeπŸ’§πŸ’§ moderate water❄ Hardy: Zone 3a – Zone 8b

Climate Match for your location

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A delicate native orchid with distinctive pink pouched flowers that emerge in spring from a single pair of leaves. Notoriously difficult to cultivate outside its natural woodland habitat and requires precise conditions to thrive.

Why grow it

Pink lady's slipper offers ornamental value as a native woodland orchid with distinctive pink pouched flowers unavailable in most cultivated ornamentals. Unlike hybrid orchids, it provides ecological benefit by supporting native pollinators adapted to its flower structure. It serves primarily as a landscape specimen for established woodland gardens rather than as a general-purpose ornamental.

Watch out for

This species depends on a specific fungal partner (mycorrhizal association) for nutrient uptake, making establishment from seed or division unpredictable in typical garden soil. Transplanting wild-collected plants is ineffective and ecologically harmful; nursery-propagated specimens have better establishment rates but still require consistent moisture and well-draining acidic soil. The plant takes several years to reach flowering size and may decline if relocated or if soil conditions drift away from its preferred moist, leafy woodland composition.

Overview

Form
Upright
Growth Rate
slow
Size
0.5–1.5β€² tall Γ— 0.5–1β€² wide
Dormancy
deciduous
Family
Orchidaceae
Medicinal

Native to the United States

Native Range

Eastern North America

Native to: Alabama, Connecticut, District of Columbia, Delaware, Georgia, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, North Carolina, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Virginia, Vermont, Wisconsin, West Virginia

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Spring

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Companion Planting

Plants well with