Black Locust vs Blue Moon Wisteria - TreeTime.ca

Black Locust vs Blue Moon Wisteria

Robinia pseudoacacia

Wisteria macrostachya Blue Moon

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Black Locust
Blue Moon Wisteria

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.

Blue Moon Wisteria is a striking, flowering vine, and the hardiest of the wisterias. Up to three times in one growing season you can expect showy, fragrant, lavender-blue flowers.

Make sure you plan your site as this vine requires a structure to support its mature weight. Try planting close to a post, trellis, or fence.

Black Locust Quick Facts

Blue Moon Wisteria Quick Facts

Zone: 3a
Zone: 3a
Height: 12 m (40 ft)
Height: 5 m (18 ft)
Spread: 8 m (25 ft)
Spread: 1.5 m (5 ft)
Light: full sun
Light: full sun
Moisture: dry, normal
Moisture: normal
Growth rate: fast
Growth rate: fast
Life span: long
Life span: medium
Suckering: high
Suckering: medium
Maintenance: medium


Toxicity: can be toxic to cats, dogs, and horses when consumed
Bark: dark reddish brown to balck with furrows
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Flowers: blue/purple strings of flowers
Seeds: dark brown peapod-like pods
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: false acacia, yellow locust