Black Locust vs Harcourt Apple - TreeTime.ca

Black Locust vs Harcourt Apple

Robinia pseudoacacia

Malus Harcourt

Black Locust
Harcourt Apple

Black Locust is an attractive tree. Its distinctive leaves are made of about a dozen bright green leaflets. It also notable for its fragrant white flowers, which smell of citrus.

Black Locust can grow in many situations, but prefers dry areas with lots of sun. It is robust and is an excellent choice for establishing shade in dry, open areas.

Important note: Much of the Black Locust is toxic to humans and livestock, including seeds, bark, and leaves.

Harcourt Apple is a cold-hardy variety developed by the University of Alberta. In spring, it produces fragrant white blossoms shaded with pink. The medium-sized apples mature from late summer into fall, featuring red-striped skin with greenish-yellow highlights. The fruit is crisp and juicy, with a mild, pleasant flavour. They are well-suited for fresh eating, baking, and preserves.

For fruit production, cross-pollination is required. Apples need to be planted with another Apple or Crab Apple variety.

Note: We do not ship grafted apples to BC due to regulatory restrictions from the Canadian Food Inspection Agency.

Black Locust Quick Facts

Harcourt Apple Quick Facts

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Zone: 3a
Zone: 3a
Height: 12 m (40 ft)
Height: 6 m (20 ft)
Spread: 8 m (25 ft)
Spread: 5 m (16 ft)
Light: full sun
Light: full sun
Moisture: dry, normal
Moisture: normal, wet
Growth rate: fast
Growth rate: medium
Life span: long
Life span: medium
Suckering: high
Suckering: low
Maintenance: medium


Fall colour: yellow
Bark: dark reddish brown to balck with furrows
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Flowers: white with pink
Fruit: slightly striped, bright red
Firmness: firm
Flavor: juicy, sweet, mild, crisp
Harvest: late august early september
Seeds: dark brown peapod-like pods
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: false acacia, yellow locust