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Guide botanique

Lady's slipper orchid.

Cypripedium calceolus

Prononciation sip-ri-PEE-dee-um kal-SEE-oh-lus

Aussi appelée Lady's slipper orchid, Lady's-Slipper, Lady's-slipper orchid, Lady’s slipper orchid

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Lady's slipper orchid
Photo de Nigel Voaden (CC BY) via iNaturalist

This beautiful orchid is a rare woodland treasure known for its unique, pouch shaped flowers. It thrives in cool, shaded environments with rich, well draining soil. You'll find it's quite a challenge to grow outside of its natural habitat.

Une autre photo de Lady's slipper orchid
Photo de Oleksandr Shynder (CC BY) via iNaturalist

En un coup d'œil

Niveau d'entretien
Difficile
Type de plante
Perennial orchid
Lumière
Partial shade
Lumière en intérieur
Lumière vive indirecte
Arrosage
Tous les 5 à 10 jours
Taille adulte
1 to 2 feet
Croissance
Lente
Rusticité
USDA 3 à 7
Floraison
Late spring to early summer

Entretien

Keep the soil consistently moist but never waterlogged to mimic its forest floor home. Watch for yellowing leaves, which often signal that the soil is too wet or lacks proper drainage. It prefers cool temperatures and high humidity to stay happy.

Arrosage
Keep the substrate damp to the touch without letting it sit in standing water.
Engrais
Use a very diluted, balanced orchid fertilizer during the active growing season.
Taille
Remove dead foliage only after the plant has fully entered dormancy in late autumn.
Rempotage
Repot only when the plant has clearly outgrown its container or the medium has broken down.
Sol
Rich, calcareous, well draining woodland soil
pH du sol
Neutral to slightly alkaline
Température
-30 à 25°C
Humidité
50 à 70%

Sécurité

Humains
The plant contains irritant compounds that can cause dermatitis in sensitive individuals.
Enfants
Keep children away from the plant as ingestion can cause gastrointestinal distress.
Allergènes de contact
Handling the foliage can cause skin irritation or rashes due to glandular hairs.
Allergènes aéroportés
There is no significant evidence of respiratory allergies associated with this species.
Comestibilité
This plant is not edible and may cause stomach upset if ingested.

Comment l'identifier

  • Large, inflated, slipper shaped yellow lip
  • Dark purple or brown twisted petals
  • Broad, pleated, alternate green leaves
  • Grows from a creeping rhizome
Hauteur
0,2 à 0,6m
Envergure
0,15 à 0,3m
Feuilles
green, deciduous
Fleurs
yellow, brown, 5 à 8cm

Problèmes courants

  • Slugs and snails — These pests can quickly devour the tender new shoots in spring.
  • Root rot — Poorly drained soil often leads to fungal decay of the root system.

La cultiver

Multiplication
division, seed
Quand planter
spring, autumn

Plant in groups with other woodland perennials that appreciate cool, moist, and alkaline soil.

Bonnes associations

  • Dryopteris — They provide the dappled shade and moisture levels this orchid prefers.
  • Helleborus orientalis — They share similar woodland soil and light requirements.

Espèces similaires

  • Cypripedium reginae — It is a related North American species with similar growth habits.

Science

Famille
Orchidaceae
Genre
Cypripedium
Ordre
Asparagales
Classe
Liliopsida
Région d'origine
Temperate regions of Europe and Asia.
Préservation
This species is protected in many parts of its range and should never be collected from the wild.

It thrives in calcareous woodlands where it forms symbiotic relationships with soil fungi.

Intérêt pour la faune
nectar source
Pollinisateurs
abeilles
Utilisations
ornamental garden plant, botanical collection

Au fil des saisons

JFMAMJJASOND
Floraison
Fructification
Feuillage

Repères écologiques

Salinité
0/9
Réaction du sol
8/9
Lumière
3/9
Température
3/9
Humidité
6/9
Nutriments
4/9

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Can I grow this in a regular garden bed?
It requires specialized soil conditions, usually a woodland setting with high organic matter.
How often should I water it?
Keep the soil consistently moist but never waterlogged.

D'où vient le nom

The name Cypripedium comes from Greek words meaning Venus and shoe, referring to the slipper shape.

Bon à savoir

  • It is the largest orchid species native to Europe.
  • The flower uses a trap mechanism to ensure bees pollinate it.
  • It requires a specific mycorrhizal fungus in the soil to germinate from seed.
  • The name refers to the slipper shaped labellum of the flower.

Aussi dans

Ta plante a mauvaise mine ?

Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.

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Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.