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Guide botanique

Bogbean.

Menyanthes trifoliata

Prononciation men-ee-AN-theez try-fo-lee-AY-tuh

Aussi appelée Bogbean, Buckbean

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Bogbean
Photo de Michael J. Papay (CC BY) via iNaturalist

The bogbean is a lovely aquatic perennial that thrives in shallow water or very damp, boggy soil. It features beautiful, fringed white flowers that look like they are covered in tiny snowflakes. It is a hardy plant that brings a natural, wild look to any pond or water garden.

Une autre photo de Bogbean
Photo de Tom Norton (CC BY) via iNaturalist

En un coup d'œil

Niveau d'entretien
Facile
Type de plante
Aquatic perennial
Lumière
Full sun to partial shade
Lumière en intérieur
Lumière vive indirecte
Arrosage
Tous les jours
Taille adulte
12 to 18 inches tall
Croissance
Moyenne
Rusticité
USDA 3 à 7
Floraison
Mid to late spring

Entretien

Keep the roots constantly submerged or in very saturated soil to mimic its natural wetland habitat. Watch for yellowing leaves which often signal that the water level has dropped too low. It is a very resilient plant that rarely needs much attention once established.

Arrosage
The soil must remain completely saturated or submerged at all times.
Engrais
Apply a slow release aquatic fertilizer tablet once in the spring.
Taille
Trim back dead foliage in late autumn to keep the area tidy.
Rempotage
Divide the creeping rhizomes every few years to prevent the plant from becoming overcrowded.
Sol
Heavy loam or aquatic soil
pH du sol
Acidic to neutral
Température
-35 à 25°C
Humidité
60 à 100%
Résistance à la sécheresse
Faible
Durée de vie
Perennial, typically 5 to 10 years.
Parfum
Léger
Résistance aux chevreuils et lapins
Moyenne

Signes qu'il faut rempoter

  • Roots growing out of the pot
  • Reduced flowering
  • Crowded rhizomes

Sécurité

Humains
The leaves are considered toxic if ingested in large quantities due to the presence of gentianin.
Enfants
Keep children away from the foliage as ingestion can cause stomach upset.
Allergènes de contact
The sap may cause mild skin irritation in sensitive individuals.
Allergènes aéroportés
Pollen is generally not considered a significant airborne allergen.
Comestibilité
The plant contains bitter alkaloids and should not be consumed without expert knowledge.

Comment l'identifier

  • Three leaflets on each leaf stalk
  • Fringed white or pinkish flowers
  • Spikes of star shaped blooms
  • Thick creeping underground stems
  • Grows in shallow water or bogs
Hauteur
0,15 à 0,3m
Envergure
0,3 à 0,6m
Feuilles
green, deciduous
Fleurs
white, pink, 1 à 2cm
Fruits
brown, Late summer

Problèmes courants

  • Aphids — Small insects that cluster on new growth.

La cultiver

Multiplication
division, seed
Quand planter
spring
Hivernage
The plant goes dormant in winter. If in a container, ensure the roots do not freeze solid by sinking the pot deeper into the water.
En pot
It grows well in containers placed in shallow water, provided the pot is at least 20 centimeters wide.

Division

  1. 1. Lift the plant in spring.
  2. 2. Cut the rhizome into sections with buds.
  3. 3. Replant into wet soil or shallow water.

Group with other marginal aquatic plants to create a naturalistic pond edge.

Bonnes associations

  • Marsh marigold — They share similar moisture requirements in pond margins.
  • Myosotis scorpioides — It provides a nice color contrast in boggy areas.

Espèces similaires

  • Bogbean — This is the same species.

Science

Famille
Menyanthaceae
Genre
Menyanthes
Ordre
Asterales
Classe
Magnoliopsida
Région d'origine
Northern hemisphere wetlands.
Préservation
It is protected in some regions due to the loss of wetland habitats.

It acts as a pioneer species in wetland succession by trapping sediment with its creeping rhizomes.

Intérêt pour la faune
nectar source
Pollinisateurs
abeilles, papillons
Utilisations
water gardens, bog gardens, wildlife ponds

Au fil des saisons

JFMAMJJASOND
Floraison
Fructification
Feuillage

Repères écologiques

Salinité
1/9
Réaction du sol
5/9
Lumière
7/9
Température
3/9
Humidité
9/9
Nutriments
4/9

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Can I grow this in a regular garden bed?
No, it requires constant moisture and thrives best in shallow water or boggy conditions.
How deep should the water be?
It prefers shallow water up to 15 centimeters deep.

D'où vient le nom

The name Menyanthes comes from Greek words meaning month and flower, possibly referring to the blooming period. Trifoliata refers to the three leaflets on each leaf.

Bon à savoir

  • It is commonly known as bogbean.
  • The flowers have a unique fringed appearance.
  • It thrives in shallow water or very wet soil.
  • It is a circumpolar species found across the northern hemisphere.

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.