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A picture of a Bog Arum

Bog Arum

Calla spp.

Also known as

Marsh Calla, Wild Calla, Squaw Claw, Water-Arum, Callalily, Bog arum, Water arum, Water dragon

Calla palustris2 by [1] (CC-BY-SA-3.0)

Full Sun
Frequent watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size









  • spring
  • summer
  • autumn
  • winter

More images of Bog Arum

A close up of a white Calla palustris flower and some green leaves
A white Calla palustris flower with green leaves
A close up of two white Calla palustris flowers
A close up of a green Calla palustris plant with a white flower

Bog Arum Overview

Calla contains just 1 species, Calla palustris, a hardy, deciduous, perennial plant from cool temperate climates in Europe, North Asia and North America. This species grows in ponds and boggy land and tends to spread, making it a good marginal plant for the edges of water bodies. It is commonly known by the names Bog Arum and Marsh Calla, amongst others. The foliage is attractive and it produces small, clustered flowers, surrounded by showy spathes. This species has been cultivated to exhibit a range of colours including black, pinks, purples, yellows, oranges and striated bicoloured forms.

How to propagate Bog Arum


You can propagate by division in the spring.


Seed in late summer.

Special features of Bog Arum

Attractive flowers

Attractive leaves

Other uses of Bog Arum

Grown for its foliage and showy spathes that surround insignificant flower clusters.