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

Panicle Hydrangea vs Swamp Rose Mallow (Hibiscus)

Hydrangea paniculata

Hibiscus moscheutos

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Panicle Hydrangea
Swamp Rose Mallow (Hibiscus)

Panicle Hydrangea is a large, broad-leaf, deciduous shrub that is prized for its ornamental appeal. It is easy to care for, long-lived, and cold-hardy.

Depending on the variety, its flowers change color throughout the blooming period. Make sure you water Panicle Hydrangeas regularly to achieve the most notable color change.

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.

Panicle Hydrangea Quick Facts

Swamp Rose Mallow (Hibiscus) Quick Facts

Zone: 3a
Zone: 5a
Height: 6 m (20 ft)
Height: 1.5 m (5 ft)
Spread: 3 m (10 ft)
Spread: 0.9 m (3 ft)
Moisture: normal
Moisture: normal, wet
Light: partial shade, full sun
Light: full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: white, strong scent, very showy
Flowers: pink-red
Growth rate: fast
Growth rate: fast
Life span: short
Life span: short
Suckering: medium
Suckering: low




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