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botanical name:
Menyanthes trifoliata
Menyanthes trifoliata © Deeproot Plant Base
common name:  Bogbean, Buckbean, Marsh Trefoil
family:  Menyanthaceae
characteristics: perennial
height: 0.25m
width: 2.00m
growth rate: fast
growth habit: aquatic
leaf colour: green
flower colour: white
main season: Summer
medicinal symbol medicinal
aspect: full sun, part shade
conditions: wet/waterlogged soil, clay soil
preferred soil pH: any
minimum temp: -23°C
USDA zone: 6 to 9
description:
Marginal aquatic with vigorously creeping rhizomes, forming large floating mats of 3-palmate leaves. Erect racemes of short-lived, fringed, white flowers, pink in bud, in late spring and summer. Will spread indefinitely in still or slow moving water.

cultivation:
Plant at a water depth of between 15 and 25cm, in muddy pond or lake edges or otherwise in aquatic planting baskets. Best in full sun to encourage flowering.

propagation:
From seed in containers standing in water, or by division of rhizome sections.

usage:
Good marginal for large ponds and lakes. Useful for disguising hard edges.
Used in traditional herbal medicine for rheumatism and arthritis.

other notes:
Widely distributed across the Northern Hemisphere and especially in Europe. Found at the edges of ponds, lakes and slowly flowing rivers.
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