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Hibiscus syriacus 'Diana' ('Diana' Rose of Sharon)

Hibiscus syriacus ‘Diana’ Photo/Illustration: Bill Johnson


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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11
Botanical Name: Hibiscus syriacus 'Diana' hy-BIS-kus seer-ee-AY-kus Common Name: 'Diana' Rose of Sharon Genus: Hibiscus
'Diana' has deep green foliage and large, pure white flowers that bloom from mid- to late summer. Unlike some other roses of Sharon, its flowers remain open at night. It requires little maintenance and, once established, will tolerate extreme heat, drought, and poor soil. -Judith Ireland, Regional Reports: Northeast, Fine Gardening issue #122
 Noteworthy characteristics: As a mature shrub, this plant can be trained into a small tree.
 Care: This plant's flowers bloom on new growth, so you should prune it at the end of winter.
 Propagation: From cuttings.
 Problems: Leaf spots, Japanese beetles, blight, rust, aphids, scale, whiteflies, and canker.
Height 6 ft. to 10 ft.
Spread 6 ft. to 10 ft.
Growth Pace Invasive/Aggressive Grower;Moderate Grower
Light Full Sun to Part Shade
Moisture Medium Moisture
Maintenance Low
Characteristics Attracts Butterflies; Showy Flowers
Bloom Time Early Fall; Fall; Late Summer; Summer
Flower Color White Flower
Uses Beds and Borders, Flowering Tree, Hedge, Specimen Plant/ Focal Point
Style Cottage Garden
Seasonal Interest Summer Interest
Type Shrubs

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