Peachleaf Willow vs Water Arum - TreeTime.ca

Peachleaf Willow vs Water Arum

Salix amygdaloides

Calla palustris

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Peachleaf Willow
Water Arum

The Peachleaf Willow is often a multi-stemmed willow that generally grows into a tall shrub. This versatile and useful small tree is often seen in riparian zones and erosion control projects. Wildlife rely on the twigs, foliage and bark for food.

A widely distributed willow species, it's long pointed leaves are dark green on top and pale green underneath. The Peachleaf Willow is the tallest of the native prairie willows reaching 40ft in height.

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.

Peachleaf Willow Quick Facts

Water Arum Quick Facts

Zone: 2b
Zone: 1b
Height: 12 m (40 ft)
Height: 0.2 m (0.8 ft)
Spread: 9 m (30 ft)
Spread: 0.2 m (0.8 ft)
Light: partial shade, full sun
Light: shade, partial shade
Moisture: normal, wet
Moisture: wet
Growth rate: fast
Growth rate: medium
Life span: short
Life span: short
Growth form: colony-forming
Spreading: rhizomes - medium, seeds - low
Suckering: low


Toxicity: toxic if ingested
Foliage: resemble peach leaves, long slender greenish yellow
Flowers: white sheath around and yellow spike
Bloom time: spring to summer
Berries: red, in clusters
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no


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