Black Locust vs Swamp Rose Mallow (Hibiscus) - TreeTime.ca

Black Locust vs Swamp Rose Mallow (Hibiscus)

Robinia pseudoacacia

Hibiscus moscheutos

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Black Locust
Swamp Rose Mallow (Hibiscus)

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.

Swamp Rose Mallow (Hibiscus) has large white-pink showy flowers which attract hummingbirds and pollinators to your yard. It is a tall, fast growing perennial shrub. The flowers typically only last 1-2 days, but the plant will continue to rebloom throughout the season.

This hibiscus tolerates heat and humidity but does not do well when exposed to wind. Make sure the plant has access to lots of moisture for better flowering.

The Swamp Rose Mallow (Hibiscus) is also known as the dinner plate hibiscus because it can grow incredibly large flowers, as big as dinner plates.

Black Locust Quick Facts

Swamp Rose Mallow (Hibiscus) Quick Facts

Lowest Price: $0.89 - SAVE UP TO 82%
Zone: 3a
Zone: 5a
Height: 12 m (40 ft)
Height: 1.5 m (5 ft)
Spread: 8 m (25 ft)
Spread: 0.9 m (3 ft)
Moisture: dry, normal
Moisture: normal, wet
Light: full sun
Light: full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Flowers: pink-red
Bark: dark reddish brown to balck with furrows
Growth rate: fast
Growth rate: fast
Life span: long
Life span: short
Suckering: high
Suckering: low




Other Names: false acacia, yellow locust
Other Names: crimson-eyed rose-mallow, dinner plate hibiscus, eastern rosemallow, hardy hibiscus, marsh mallow, marshmallow hibiscus, sea hollyhock, swamp mallow, swamp rose hibiscus