Black Locust vs Annabelle Hydrangea - TreeTime.ca

Black Locust vs Annabelle Hydrangea

Robinia pseudoacacia

Hydrangea arborescens Annabelle

Black Locust
Annabelle Hydrangea

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.

Annabelle Hydrangea is a cold hardy shrub that is well known for its large, compact clusters of white flowers. Unlike other flowering species, Hydrangeas do best in partial shade. However, they are capable of growing in full sun if the soil is kept consistently moist.

Blooms occur on new wood, so regular pruning is encouraged in late winter. Try Annabelle Hydrangea as a border or on its own.

Black Locust Quick Facts

Annabelle Hydrangea Quick Facts

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Zone: 3a
Zone: 3a
Height: 12 m (40 ft)
Height: 1.2 m (4 ft)
Spread: 8 m (25 ft)
Spread: 1.5 m (5 ft)
Moisture: dry, normal
Moisture: normal
Light: full sun
Light: partial shade
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Flowers: white, showy clusters
Bark: dark reddish brown to balck with furrows
Growth rate: fast
Growth rate: fast
Life span: long
Life span: medium
Suckering: high
Suckering: medium




Other Names: false acacia, yellow locust