Common Wild Rose vs Water Arum - TreeTime.ca

Common Wild Rose vs Water Arum

Calla palustris

Rosa woodsii

CUSTOM GROW

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Water Arum
Common Wild Rose

Water Arum is a native perennial wetland plant known for its showy white oval sheaths (spathe) that surround a yellow-green, cylindrical flower spike (spadix). It has large, oblong, heart-shaped leaves on stems that rise above the water from shallow, spreading rhizomes. The blossoms are followed in late summer by tiny, pear-shaped fruits that ripen to bright red, adding ornamental interest to wet habitats.

Water Arum provides food for birds and small mammals that eat its berries, and its flowers attract pollinators. It can tolerate cold climates and forms colonies in shallow water and saturated soils. It is well-suited for ecological restoration, riparian planting, naturalisation, and habitat projects in wet and shaded environments.

Common Wild Rose produces attractive pink roses and edible bright red rosehips. This tough, native shrub is a beautiful, low-maintenance addition to any garden. Common Wild Rose is very similar to Alberta (Prickly) Wild Rose but with fewer thorns.

Water Arum Quick Facts

Common Wild Rose Quick Facts

Zone: 1b
Zone: 1a
Height: 0.2 m (0.8 ft)
Height: 0.9 m (3 ft)
Spread: 0.2 m (0.8 ft)
Spread: 1.5 m (5 ft)
Light: shade, partial shade
Light: partial shade, full sun
Moisture: wet
Moisture: dry, normal
Growth rate: medium
Growth rate: medium
Life span: short
Life span: medium
Growth form: colony-forming
Spreading: rhizomes - medium, seeds - low
Suckering: none

Toxicity: toxic if ingested

Fall colour: bright red
Flowers: white sheath around and yellow spike
Flowers: pink
Bloom time: spring to summer
Fruit: rose hips
Berries: red, in clusters
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT, PE
Native to: AB, BC, SK, MB, ON, YT, NT
Other Names: bog arum, swamp lily, wild calla, wild dragon
Other Names: woods rose