Alphabetical Plant Listing

Menyanthes trifoliata (Bog Bean)

Buckbean, Buck-Bean, Bogbean, Bean Trefoil, Beck Bean, Bitterwort, Bog Hop, Bog Myrtle, Bog Nut, Bog Trefoil, Brook Bean, Marsh Clover, Marsh Trefoil, Water Shamrock, Water Trefoil


Menyanthes trifoliata (Bog Bean) is a rhizomatous, emergent aquatic perennial with flower stalks and leaves held well above the water. The olive-green leaves feature 3 large, long-stalked, elliptic leaflets, 4 in. long (10 cm), that are markedly veined. The foliage grows from a creeping rhizome that often floats out onto the water surface. In spring to late summer, upright racemes of white or purple-tinged, star-shaped flowers, 1 in. across (2.5 cm), are borne atop stout stalks, about as high as the foliage. The upper surface of the petals is fringed with white hair, which aid in both collecting pollen and attracting pollinators such as bees, bumblebees, hummingbirds, flies, and butterflies. Typically growing in shallow water in pond or lake margins and in bogs, Bog Bean spreads from thick spongy rhizomes to form large colonies.

  • Grows up to 10-12 in. tall (25-30 cm) and 12-24 in. wide (30-60 cm). Can spread aggressively when not restrained by container plantings.
  • Thrives in full sun to part shade in baskets in a large pond in water up to 10 in. deep (25 cm), or grow in muddy pool margins. Grow in full sun to promote flowering
  • Great for water gardens, bog gardens, along ponds and streams.
  • Virtually pest and disease free.
  • Cut back after flowering.
  • Propagate by division.
  • Native to much of Asia, Europe, and North America.

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Requirements

Hardiness 3 – 10
Heat Zones 1 – 8
Plant Type Aquatic Plants, Perennials
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid,Late)
Summer (Early,Mid,Late)
Height 10" – 1' (25cm – 30cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs High
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Neutral
Soil Drainage Poorly Drained
Characteristics Showy
Native Plants United Kingdom, United States, Alaska, California, Midwest, Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Pacific Northwest, Idaho, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southeast, North Carolina, Virginia, West Virginia, Southwest, Nevada, Arizona
Tolerance Wet Soil
Garden Uses Bog Gardens, Ponds and Streams, Rain Gardens, Water Gardens
Garden Styles Informal and Cottage, Prairie and Meadow

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By SusaZoom, shaftinaction, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 3 – 10
Heat Zones 1 – 8
Plant Type Aquatic Plants, Perennials
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid,Late)
Summer (Early,Mid,Late)
Height 10" – 1' (25cm – 30cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs High
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Neutral
Soil Drainage Poorly Drained
Characteristics Showy
Native Plants United Kingdom, United States, Alaska, California, Midwest, Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, Northeast, Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Pacific Northwest, Idaho, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southeast, North Carolina, Virginia, West Virginia, Southwest, Nevada, Arizona
Tolerance Wet Soil
Garden Uses Bog Gardens, Ponds and Streams, Rain Gardens, Water Gardens
Garden Styles Informal and Cottage, Prairie and Meadow

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