Red Mammoth Raspberry vs Black Crowberry - TreeTime.ca

Red Mammoth Raspberry vs Black Crowberry

Empetrum nigrum

Rubus sp. SK Red Mammoth

CUSTOM GROW

Black Crowberry
Red Mammoth Raspberry

Black Crowberry is a native evergreen shrub that forms low, spreading mats. It has unique foliage that spirals around the stem, and small dark berries, giving it visual appeal. The berries are edible, but can be acidic, so they are not generally eaten fresh. In colder climates, the berries develop a sweet-tart flavor and are often dried or used in desserts, jams, and jellies.

This hardy shrub provides food for birds and mammals, while its flowers attract pollinators such as bees. It also serves as a host plant for certain butterflies and moths. Together, these roles make it a key contributor to the health of tundra and boreal ecosystems.

In Newfoundland and Labrador, the berries are known locally as ‘blackberries’ and are enjoyed in jams, jellies, and traditional baked goods such as buns and puddings. In Scandinavia, they continue to be used in liqueurs, wines, and juices.

Developed by the University of Saskatchewan Fruit Program, SK. Red Mammoth was a high yielding and firm variety released in 1999. It produces distinctively large bright red berries about 1 inch wide. It is also more cold hardy than older raspberry cultivars. Red Mammoth is firm which makes it suitable for commercial production and sweeter than Boyne. Floricane.

Needs to be trellised as canes are not as sturdy as other varieties.

Black Crowberry Quick Facts

Red Mammoth Raspberry Quick Facts

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Zone: 3a
Zone: 4a
Height: 0.2 m (0.5 ft)
Height: 2.4 m (8 ft)
Spread: 0.4 m (1.3 ft)
Spread: 1.2 m (4 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: any
Moisture: normal, wet
Growth rate: slow
Growth rate: medium
Life span: medium
Life span: short
Growth form: low growing, matt-forming
Spreading: rhizomes - medium, seeds - low
Suckering: medium
Maintenance: medium


Foliage: evergreen needle-like leaves
Flowers: pink-red, very small
Bloom time: late spring to early summer
Berries: purplish-black, edible
Berries: very large
Firmness: firm
Flavor: bland, slightly bitter
Flavor: sweet
Harvest: late summer to fall
Harvest: June-July
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT, NU
Other Names: crakeberry, curlewberry, heathberry, northern crowberry