Lady's slipper orchid (Cypripedium calceolus)

Lady's slipper orchid

Also known as: Nerve root

Lady's slipper orchid (Cypripedium calceolus) is a widespread orchid that is named for the unusual shoe-like shape of its elaborate flower. Lady's slipper orchid is pollinated by numerous species of bees.

Scientific classification

Species

Lady's slipper orchid (Cypripedium calceolus)

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

25 cm to 61 cm

Plant Height

30 cm to 40 cm

Spread

Green

Leaf Color

2.5 cm to 8 cm

Flower Size

20 - 38 ℃

Ideal Temperature

Spring, Summer

Growth Season

Slow

Growth Rate

Images of Lady's slipper orchid

Distribution of Lady's slipper orchid

Distribution Map

Lady's slipper orchid naturally inhabits a broad range of temperate regions, spanning from Europe to Northern Asia. It is native to the mixed and broadleaf forests of these areas, thriving in a variety of climates. Additionally, lady's slipper orchid has adapted to cultivation outside its native habitat, suggesting a resilience that allows it to survive in managed environments.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Shady deciduous, mixed forests and meadows.

Hemisphere Trend Curve

Northern

Sorthern

Quickly Identify Lady's slipper orchid

Distinct labellum pouch in bright yellow, acting as pollinator landing platform.

Twisted greenish-brown petals and broad sepals surrounding the labellum.

Large, pleated leaves with pronounced parallel vein pattern, over 6 inches (15 cm) long.

Striking flowers with twisted, elongated petals, blooming April to June.

Capsule fruit, light to medium brown, 1-1.5 inches (2.5-3.8 cm) long, releasing fine, wind-dispersed seeds.

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Care Guide for Lady's slipper orchid

Every week

Water

Partial sun

Sunlight

20 - 38 ℃

Ideal Temperature

Orchid Potting Mix

Soil Type

Water: Lady's slipper orchid prefers moist woodland environments and needs consistent moisture without waterlogging, ideally watered weekly. Mulching helps retain soil moisture. Adequate watering during the growing season is essential for its health and vibrant bloom.

Fertilize: For optimal growth in lady's slipper orchid, apply high phosphorus fertilizers monthly during the growing season (spring to early summer) at quarter strength to prevent root burn. Water thoroughly before and after fertilization. Cease fertilization in late summer and winter to support lady's slipper orchid's vitality and blooming.

Pruning: Lady's slipper orchid requires minimal pruning, ideally done from early to late spring. Trim dead foliage to promote new growth but avoid excessive pruning to reduce stress. Proper pruning encourages blooms and prevents disease. Always sterilize tools to prevent infections.

Propagation: Lady's slipper orchid is a terrestrial orchid valued for its beauty and rarity. Propagation is achieved through division, requiring careful handling of its roots. Divisions should be planted promptly in well-draining, organic-rich soil, with a preference for partial shade and consistent moisture, avoiding waterlogged conditions.

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