
Alisma triviale
Northern Water Plantain
An aquatic, deciduous perennial with rosettes or elliptic to lance-shaped, pointed, grey-green leaves and tall, whorled panicles of white flowers from late spring into early summer. Grow at pond margins in water up to 30cm deep in full sun. Can become invasive so plant in baskets in loam to prevent spread. Not suitable for small ponds. 'Northern Water Plantain' has a tall branched stem bearing small flowers, each of which has 3 white petals, 3 green sepals, and 6 stamens. There is a small areaof yellow at the base of each petal. The centre of the flower is green.
Contributed by @struddles
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Full sun
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Frequent watering
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Full Frost Hardy: 5F (-15°C)
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Heavy
Common name
Northern Water Plantain
Latin name
Alisma triviale
type
aquatic perennial
family
Alismataceae
ph
5.0 - 8.5 Acid - Neutral
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
Alisma triviale
An aquatic, deciduous perennial with rosettes or elliptic to lance-shaped, pointed, grey-green leaves and tall, whorled panicles of white flowers from late spring into early summer. Grow at pond margins in water up to 30cm deep in full sun. Can become invasive so plant in baskets in loam to prevent spread. Not suitable for small ponds. 'Northern Water Plantain' has a tall branched stem bearing small flowers, each of which has 3 white petals, 3 green sepals, and 6 stamens. There is a small areaof yellow at the base of each petal. The centre of the flower is green.
Flowering Season
From Late Spring TO Early Summer
White flowers in late spring/early summer.
Planting Outdoors
From Early Spring TO Mid Spring
Plant container grown plants in early to mid-spring in full sun.
Propagation by seed
From Early Spring TO Late Spring
Sow seed in suitable compost in containers and place in a tray of water so that they are half submerged.