Rose of Sharon

Hibiscus syriacus and cvs.

Photo/Illustration: 
Chris Curless
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Rose of Sharon (Hibiscus syriacus and cvs.)
hy-BIS-kus seer-ee-AY-kus
Genus:  Hibiscus
This hardy, deciduous, vase-shaped, woody shrub blooms for several weeks beginning in midsummer. Cultivars include ‘Aphrodite’ (deep rose-pink flowers with  a dark red eye), ‘Diana’ (large white flowers with wavy-margined petals), ‘Helene’ (white flowers with bases flushed reddish purple), and ‘Minerva' (low-branched with  lavender flowers tinged with pink and dark red centers).
Noteworthy Characteristics:  Unpruned, Rose of Sharon can grow to 15 feet or more tall. Open habit looks best at the back of a border, in groups, or as an informal hedge.
Care:  Provide full sun and moist but well-drained soil.
Propagation:  Divide in spring. Root greenwood cuttings in late spring, or semi-ripe cutings in summer.
Problems:  Rust, fungal leaf spots, bacterial blight, Verticillium wilt, viruses, and stem and root rots. Whiteflies, aphids, mealybugs, scale insects, mites, Japanese beetles, and caterpillars.

Overview

Height
10 ft. to 15 ft.
Spread
3 ft. to 6 ft.
Growth Habit
Clumps
Growth Pace
Invasive/Aggressive Grower
Light
Full Sun Only
Moisture
Medium Moisture
Characteristics
Showy Flowers
Bloom Time
Summer
Flower Color
Pink Yarrow,
Red,
White
Uses
Beds and Borders,
Hedge,
Specimen Plant/Focal Point
Style
Cottage Garden
Seasonal Interest
Summer Interest
Type
Shrubs

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