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Cornell University

Species: Hibiscus syriacus

(hye-bis'cus si-ri-a'cus)

Hibiscus syriacus

Rose-of -Sharon; Shrub Althaea

Found on Course Walks

High pH

Map of plant locations

(Plant location data may be incomplete)

In Collection(s):

None Listed

Cultivars

Many varieties of this species. Selection is based mainly around flower type, size, color, etc. Because seedling production can be a maintenance issue in some varieties, plants with low fruit/seed production are desirable.

'Aphrodite', 'Ardens', 'Blue Bird', 'Blue Satin', 'Blushing Bride', 'Boule de Feu', 'Diana', 'Helene', 'Lavender Chiffon', 'Meehanii', 'Minerva', 'Minrosa', 'Peoniflora', 'Pink Giant', 'Purpureus Variegatus', 'Purpureus Variegatus', 'Sanchoyo', 'Tri-color'

Ornamental Characteristics

Shrub > 8 feet

8' - 12' (spread 6' - 10')

Deciduous

full sun or partial shade

Environmental Characteristics

Full sun, Part shade

5b

Can tolerate acid to alkaline soil (pH 5.0 to 8.0)

flowers in late summer when few other woody plants are in bloom

Consistently moist, well-drained soil; Occasional periods of dry soil
See graphic below

Insect Disease

No diseases listed

Bare Root Transplanting


Other

Native to China and India

Moisture Tolerance Graphic

Please view this page on a tablet or larger screen for the moisture graph

Moisture Tolerance

Moisture graphic
Occasionally saturated or very wet soil
Consistently moist, well-drained soil
Occasional periods of dry soil
Prolonged periods of dry soil
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