Bog Arum
Calla palustris
Also known as
Water Arum, Swamp Lily, Water Dragon, Marsh Calla, Wild Calla, Bog arum
Calla palustris by Aiwok (CC BY-SA 3.0)
Full Sun
Moderate care
Frequent watering
Frost Hardy
H7
RHS hardiness
-20°C
Minimum temperature
Expected size
Height | Spread | |
|---|---|---|
1m | Max | 1m |
50cm | Min | 50cm |
Flowering
-
spring
-
summer
-
autumn
-
winter
This plant has a mild fragrance
More images of Bog Arum
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Bog Arum Overview
Calla palustris is a hardy, deciduous, rhizomatous, aquatic, perennial plant from cool temperate climates in Europe, North Asia and North America. It is commonly known by the names Bog Arum, Water Arum and Marsh Calla, amongst others. Water Arum grows in ponds and boggy land and tends to spread, making it a good marginal plant for the edges of water bodies. It grows best in full sun. The foliage is attractive and it produces small, clustered flowers, surrounded by showy white spathes. Bog Arum has been cultivated to exhibit a range of colours including black, pinks, purples, yellows, oranges and striated bicoloured forms. Historically it was used as a medicine for swelling, snakebites and soreness.
How to propagate Bog Arum
Seed
Division
Special features of Bog Arum
Attractive flowers
Attractive leaves
Other uses of Bog Arum
Water plant. Whole plant is poisonous if eaten.