Species bog bean
White flower with hair, lime-yellow stigma and style, brown anthers,  yellow-white buds, green stems, sepals and leaves.

bog bean

Menyanthes trifoliata

Bog bean (Menyanthes trifoliata) is a perennial plant native to wetland habitats of Europe, Japan, and North America. It has anti-inflammatory properties and can improve water quality by trapping phosphorus. Boog bean has trifoliate leaves and red to pink flowers that appear from late spring to mid-summer. The root is a cluster of thin strings that reach depths of over 10 feet. In traditional medicine, the boiled root is used to treat headache and bronchitis. This species has high versatility, growing in both shallow and deep water. Its hardiness makes it a popular choice for gardens and decks.

Cycle:

Herbaceous Perennial

Watering:

Average

Propagation:

Division,Cutting,Seed Propagation,Layering Propagation

Hardiness Zone:

3 - 10

Flowers:

White Flowers

Sun:

Full sun,part shade

Leaf:

Yes

Leaf Color:

green

Growth Rate:

Low

Maintenance:

Low

Drought Tolerant:

Yes

Salt Tolerant:

Yes

Care Level:

Medium

watering

Bog bean should be watered once a week during the growing season. During this time, the soil should remain evenly moist (not soggy). During the Winter, reduce watering to once every 3 weeks. It's important to water enough to keep the soil moist, but not overly wet. If an area experiences periods of heavy or prolonged rain, you may not need to water the bog bean plants at all.

sunlight

Bog bean (Menyanthes trifoliata) needs full sun for optimal growth and bloom. In ideal conditions, this plant species enjoys 6-8 hours of direct sunlight each day. In regions with long summers, this species may even do well with more than 8 hours of sunlight per day. In winter times, bog bean does not need as much direct sunlight, as the duration of the day is naturally shorter in these months.

pruning

For bog bean (Menyanthes trifoliata), pruning should take place once or twice a year during the winter months. Prune any dead or damaged stems and remove any excess foliage to encourage new growth. This will help promote a bushy form and larger flower heads. Cut back to the basal rosette of leaves, which will help keep the shrub in a neat shape. Additionally, lightly prune around the perimeter of the shrub to maintain the desired size and shape if necessary. Be sure not to remove too much foliage and always use the right pruning tool for the job.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Menyanthes trifoliata typically starts flowering in May.

Hardiness Map