Balsors Blackberry vs Red Mammoth Raspberry - TreeTime.ca

Balsors Blackberry vs Red Mammoth Raspberry

Rubus sp. SK Red Mammoth

Rubus fruticosus Balsors

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Red Mammoth Raspberry
Balsors Blackberry

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.

Balsors Blackberry is a cold-hardy variety that produces very large, sweet and juicy blackberries late in the summer. They are great for baking and fresh eating.

Balsors Blackberry is a floricanes, primarily fruiting on second year canes. Each spring cut back all two-year old canes, leaving only the last year’s growth. This is a self-pollinating variety, so it doesn’t require a second plant nearby to set fruit.

Red Mammoth Raspberry Quick Facts

Balsors Blackberry Quick Facts

Zone: 3a
Zone: 4a
Height: 2.4 m (8 ft)
Height: 1.5 m (5 ft)
Spread: 1.2 m (4 ft)
Spread: 1.2 m (4 ft)
Light: partial shade, full sun
Light: full sun
Moisture: normal, wet
Moisture: normal
Growth rate: medium
Growth rate: fast
Life span: short
Life span: short
Suckering: medium
Suckering: low
Maintenance: medium
Maintenance: medium


Bark: has thorns
Berries: very large
Berries: black
Fruit size: large
Firmness: firm
Firmness: soft
Flavor: sweet
Flavor: sweet
Harvest: June-July
Harvest: August
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: balsor hardy blackberry, balsors hardy black blackberry, balsors hardy blackberry, hardy black blackberry, illinois blackberry