Himalayan blue poppy.

En un coup d'œil

Niveau d'entretien

Difficile

Type de plante

Perennial

Lumière

Partial shade

Lumière en intérieur

Lumière vive indirecte

Arrosage

Tous les 2 à 4 jours

Taille adulte

3 to 4 feet

Croissance

Moyenne

Rusticité

USDA 6 à 8

Floraison

Late spring to early summer

Entretien

Keep the soil consistently moist and cool, as this plant hates drying out or intense heat. Watch for wilting or leaf scorch, which are common signs of stress in warmer climates. Providing a sheltered spot with protection from harsh afternoon sun helps keep it happy.

Arrosage

Keep the soil evenly moist but never waterlogged.

Engrais

Use a balanced, organic fertilizer during the active growing season.

Taille

Remove spent flower stalks after blooming to encourage plant health.

Rempotage

Repot only when the plant becomes rootbound in its container.

Sol

Rich, well draining, acidic soil

pH du sol

5.5 to 6.5

Température

-15 à 25°C

Humidité

60 à 90%

Résistance à la sécheresse

Faible

Durée de vie

Short-lived perennial, typically 3 to 5 years.

Résistance aux chevreuils et lapins

Moyenne

Sécurité

Humains

All parts of the plant are toxic if ingested due to the presence of isoquinoline alkaloids.

Enfants

Keep this plant away from children as ingestion can lead to nausea and vomiting.

Allergènes de contact

The foliage and stems can cause mild skin irritation in sensitive individuals.

Allergènes aéroportés

The pollen may trigger mild allergic reactions in those prone to hay fever.

Comestibilité

This plant is not edible and contains alkaloids that can cause significant digestive distress.

Comment l'identifier

• Striking sky blue petals
• Golden yellow central stamens
• Hairy, oval shaped leaves
• Tall, slender flowering stems

Hauteur

0,45 à 0,9m

Envergure

0,3 à 0,45m

Feuilles

mid-green, deciduous

Fleurs

blue, violet, 5 à 8cm

Problèmes courants

• Slugs and snails — These pests frequently feed on the tender young foliage and emerging flower buds.
• Root rot — Poor drainage often leads to fungal decay of the root system in heavy soils.

La cultiver

Multiplication

seed

Quand planter

spring, early autumn

Hivernage

Apply a light layer of mulch around the base to protect the crown from freezing and thawing cycles. Ensure the soil remains well-drained so the plant does not sit in freezing water.

En pot

It is generally not suitable for containers as it is very sensitive to root temperature fluctuations.

Group this plant with other moisture-loving woodland species to help maintain a cool, humid microclimate around the roots.

Bonnes associations

• Hosta — They share similar requirements for shade and consistent moisture.
• Western sword fern — Ferns provide a cool, sheltered backdrop that mimics the woodland habitat of the poppy.
• Lamprocapnos spectabilis — These plants thrive in the same cool, moist, and shaded conditions.

Espèces similaires

• Meconopsis baileyi — It is a close relative with a very similar appearance and cultural requirements.

Science

Famille

Papaveraceae

Genre

Cathcartia

Ordre

Ranunculales

Classe

Magnoliopsida

Région d'origine

Himalayan regions of China and Tibet.

Préservation

It is not currently endangered, but wild populations are sensitive to habitat disturbance in their native mountain ranges.

It grows naturally in moist, shaded mountain meadows and forest edges where temperatures remain cool year-round.

Intérêt pour la faune

nectar source

Pollinisateurs

abeilles

Utilisations

ornamental woodland garden, rock garden specimen

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Why is my plant struggling in the summer?

It likely finds the heat and low humidity stressful, as it prefers cool mountain air.

Can I grow this in a pot?

It is very difficult to maintain in a container due to its specific moisture and temperature requirements.

D'où vient le nom

The genus name honors the British botanist Lord Cathcart, while the species name refers to the resemblance of its leaves to the genus Betonica.

Bon à savoir

• It requires cool, moist conditions to thrive and often struggles in hot, humid summers.
• The flowers are famous for their vibrant, sky-blue color.
• It is a member of the Papaveraceae family, related to common garden poppies.
• It is notoriously difficult to grow outside of its preferred cool, woodland climate.

Aussi dans

• Plantes d'ombre