Annabelle Hydrangea vs Swamp Rose Mallow (Hibiscus) - TreeTime.ca

Annabelle Hydrangea vs Swamp Rose Mallow (Hibiscus)

Hydrangea arborescens Annabelle

Hibiscus moscheutos

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Annabelle Hydrangea
Swamp Rose Mallow (Hibiscus)

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.

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.

Annabelle Hydrangea Quick Facts

Swamp Rose Mallow (Hibiscus) Quick Facts

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Zone: 3a
Zone: 5a
Height: 1.2 m (4 ft)
Height: 1.5 m (5 ft)
Spread: 1.5 m (5 ft)
Spread: 0.9 m (3 ft)
Moisture: normal
Moisture: normal, wet
Light: partial shade
Light: full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: white, showy clusters
Flowers: pink-red
Growth rate: fast
Growth rate: fast
Life span: medium
Life span: short
Suckering: medium
Suckering: low




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