Rose of Sharon, Shrub Althea Hibiscus syriacus

/Home/Garden Basics/Bushes, Shrubs, Hedges, and Ground Covers/Types of Shrubs/Rose of Sharon Shrubs

University of Illinois
Office of Extension and Outreach
214 Mumford Hall (MC-710)
1301 W. Gregory Dr.
Urbana, IL 61801

Hardiness Zone: 5 - 8
Mature Height: 9-12 Feet
Mature Width: 6-10 Feet
Features: Large flowers in late summer (flowers may be single or double; white, red, purple or pink).
Culture: Full sun to partial shade; moist, well-drained soil; tolerant of alkaline soils.
Cultivars:

Numerous cultivars including:

* 'Aphrodite' - Dark pink flowers with a dark red center.
* 'Ardens' - Double rosy purple flowers.
* 'Blue Bird' - Sky blue flowers with a small red center.
* 'Diana' - Pure white flowers.
* 'Jeanne d'Arc' - Double white flowers.
* 'Lucy' - Double red flowers.
* 'Red Heart' - White flowers with red center.

Mature Form: Upright to slightly spreading
Native To: China, India
Soil Conditions:
Dry
Soil condition: Moist, Well-DrainedMoist, Well-Drained
Wet
Tolerance:
Tolerance: Alkaline SoilAlkaline Soil
Dry Sites
Salt
Soil Compaction
Wet Sites
Tolerance: WindWind
Uses:
Barrier
Use for: Border.Border
Foundation
Hedge
Massing
Naturalizing
Use for: Screen.Screen
Use for: Specimen.Specimen
Foliage Color: Green

Fall Foliage Color: Green

Additional Notes: Annual pruning in early spring will improve flowering.

Contact Information

Phone: Phone: (217) 333-5900

© 2009 University of Illinois Board of Trustees