How to Grow Menyanthes Plants in your Garden

Gardener's HQ Guide to Growing Bogbean, Buck Bean

Members of the Menyanthes genus are hardy Perennials.

They naturally grow in boggy and watery areas and have green leaves and white star shaped flowers.

They flower from spring through to summer.

Common names for Menyanthes include Bog bean and Buck bean.

Menyanthes (Bog bean/ Buckbean) image by peupleloup.

Menyanthes trifoliata
Menyanthes trifoliata photograph by wallygrom.

Menyanthes Growing and Care Guide

  • Common Names: Bogbean, Buck Bean.
  • Life Cycle: Hardy perennial.
  • Height: 10 inches (25 cm).
  • Native: North America, Europe, and Asia.
  • Growing Region: Zones 3 to 9.

  • Flowers: Spring through summer.
  • Flower Details: White. Star-shaped. Petals are fringed. Flowers open sequentially on the inflorescence.
  • Foliage: Rounded. Mid-green. Three ovate leaflets hold just above the water surface.

  • Grow Outside: Plant from divisions or nursery bought plants in the spring or autumn. Spacing 8 to 12 inches (20 to 30 cm).
  • Requirements and care: Full Sunlight. Grows in very moist soil, bogs, and shallow water. Peaty soil. Cool area. Regular watering to maintain heavy moisture, best grown in a container at the edge of a pond. Deadhead. Once established do not disturb unless they become overcrowded. Propagate: by dividing in the spring; each division should contain one growing tip.
  • Family: Menyanthaceae.
  • Closely Related Species: Nymphoides, Nephrophyllidium.
  • Miscellaneous: Naming derived from the Greek for disclosing flower.

How to Grow Menyanthes Plants such as Bog Bean

When growing bog bean it is best to use plants form a garden center or from divided plants.

Purchased Menyanthes can be planted in either spring or autumn, whereas propagated bog bean should be planted in the spring.

Members of Menyanthes can grow in sunny or partially shaded areas but they must have wet soil. The soil should also be peaty and acidic in nature.

Caring for Menyanthes in the Garden

When looking after bog beans, it is very important to supply enough water to keep the soil very wet at all times.

Additionally dead heading plants is necessary, this may help to prevent spreading and may create additional blooms.

When propagating bog bean plants be sure to divide them in the spring time and ensure that each division has one growing tip.

Common Questions

How many members does the Menyanthes genus contain?

The Menyanthes genus contains just a single species, the Bogbean.

Do Menyanthes members make a good garden or landscaping plant?

Yes, the Menyanthes trifoliata makes a great addition to water gardens or pond edges due to its attractive foliage and flowers, and preference for wet conditions.

Which Menyanthes species are most frequently grown by gardeners?

The only species, Bogbean (Menyanthes trifoliata), is the one cultivated by gardeners, particularly those with water features.

Are Menyanthes plants fragrant?

Menyanthes trifoliata produces fragrant, star-like white flowers that are quite attractive to pollinators.

What is the perfect location to grow Menyanthes?

Menyanthes trifoliata prefers to grow in full sun to partial shade, in wet or water-logged soils such as around ponds or in bog gardens.

Is Menyanthes invasive in the USA, if so in which states?

Currently, Menyanthes trifoliata is not listed as invasive in the USA. It's native to both North America and Europe.

How do I remove Menyanthes plants from my garden?

To remove Menyanthes plants, you'll need to manually pull out the plant, ensuring all roots are removed to prevent regrowth.


Menyanthes, commonly known as bogbean, is a small genus in the Menyanthaceae family. It is renowned for its fringed white flowers and aquatic nature.

Plant Menyanthes in a boggy or water-logged area of the garden or even in a pond. It loves full sun to partial shade. The best planting time is spring, and once established, it requires little care apart from ensuring it always has enough water.

I hope that you enjoyed this guide on how to grow Menyanthes plants. You may also enjoy the following Gardener's HQ growing guides: How to grow Lotus Flowers, Rodgersia plant, and Cotula plants.