Illini Hardy Blackberry vs Black Crowberry - TreeTime.ca

Illini Hardy Blackberry vs Black Crowberry

Rubus fruticosus Illini Hardy

Empetrum nigrum

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CUSTOM GROW

Illini Hardy Blackberry
Black Crowberry

The Illini Hardy Blackberry was developed in Illinois for northern growers, and produces a large, juicy blackberry with medium-sweet flavor. The berries are ready for harvest in midsummer, and go great in preserves.

The Illini Hardy Blackberry, or the Illinois Blackberry, are 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.

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.

Illini Hardy Blackberry Quick Facts

Black Crowberry Quick Facts

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


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


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