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Photo: Maseltov, CC BY-SA 3.0 de (via Wikimedia Commons)

Mountain Crowberry

Empetrum hermaphroditum

Also known as Arctic Crowberry, Northern Crowberry, Rockberry

At a glance
Family
Ericaceae (long placed in its own family, Empetraceae, before being folded into the heath family)
Type
Dwarf, mat-forming evergreen shrub
Parts used
Berries (occasionally the young leafy stems)
Size
Low, sprawling mats 10 to 30 cm tall, spreading a meter or more across
Bloom
Small, unshowy pink to purple flowers in late spring, tucked close to the stem
Habitat
Arctic and alpine tundra, exposed ridgelines, bogs, and boreal heath across the far Northern Hemisphere
Acquisition
Forage

Key benefits

Traditional thirst quencher
Wild source of vitamin C
Traditionally soothing to digestion
Sustains foragers through harsh winters

Traditional uses

Long before supply trucks reached the far north, mountain crowberry was one of the plants that kept people fed through brutal seasons. Sami reindeer herders, Inuit families, and other circumpolar peoples gathered its small black berries by the handful, prizing them because they cling to the plant and stay edible well into winter, sometimes even under snow. Travelers crossing the tundra ate the juicy berries raw to relieve thirst and fatigue on long journeys, and the fruit was traditionally stewed, mixed with fat or fish, or dried for the lean months. In several northern folk traditions a simple decoction of the berries was taken to settle an upset stomach.

How to grow & use it

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Pairs well with
  • Bilberry
  • Lingonberry
  • Bearberry
Substitutes
  • Bilberry
  • Wild blueberry
Choose it when

For the hardy little berry that holds its ground where almost nothing else will grow, dark and tart against the snow.

Did you know?

The species name hermaphroditum refers to its flowers, which carry both male and female parts in the same bloom. That sets it apart from its close cousin, common crowberry (Empetrum nigrum), which across most of its range grows as separate male and female plants.

Safety

Mountain crowberry berries are safe to eat, though a large quantity at once can have a mild laxative effect.