Black Locust vs Buttonbush - TreeTime.ca

Black Locust vs Buttonbush

Cephalanthus occidentalis

Robinia pseudoacacia

CUSTOM GROW

Buttonbush
Black Locust

Buttonbush is a moisture loving shrub that provides year round interest.

It has round, fragrant flowers resembling small buttons or pincushions. The flowers transform into small reddish-brown fruit that persists into winter while the leaves take on shades of red in fall.

Providing essential food to bees, butterflies, and other insects, this shrub is versatile. Try it in your next shrub border.

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.

Buttonbush Quick Facts

Black Locust Quick Facts

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Zone: 4a
Zone: 3a
Height: 2.4 m (8 ft)
Height: 12 m (40 ft)
Spread: 1.5 m (5 ft)
Spread: 8 m (25 ft)
Light: any
Light: full sun
Moisture: normal, wet
Moisture: dry, normal
Growth rate: medium
Growth rate: fast
Life span: long
Life span: long
Suckering: low
Suckering: high
Maintenance: medium


Bark: dark reddish brown to balck with furrows
Flowers: large, white, spherical
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Seeds: dark brown peapod-like pods
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: ON, QC, NS, NB
Other Names: false acacia, yellow locust