Round Leaf Hawthorn vs Black Crowberry - TreeTime.ca

Round Leaf Hawthorn vs Black Crowberry

Crataegus chrysocarpa (Crataegus rotundifolia)

Empetrum nigrum

CUSTOM GROW

Round Leaf Hawthorn
Black Crowberry

Getting its name from rounded, toothed leaves, the Round Leaf Hawthorn is a winter hardy shrub that grows small, red, berry-like fruits.

Commonly used for landscaping, this shrub can also be found along stream banks and in wooded areas. Caution is advised when handling the Round Leaf Hawthorn, as it can have sharp thorns approximately 1" long.

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.

Round Leaf Hawthorn Quick Facts

Black Crowberry Quick Facts

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Zone: 2a
Zone: 3a
Height: 3 m (10 ft)
Height: 0.2 m (0.5 ft)
Spread: 3 m (10 ft)
Spread: 0.4 m (1.3 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: normal, wet
Moisture: any
Growth rate: slow
Growth rate: slow
Life span: long
Life span: medium
Growth form: low growing, matt-forming
Spreading: rhizomes - medium, seeds - low
Suckering: none


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


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