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About Red Heart Althea Tree...
(Hibiscus syriacus 'Red Heart')
Hibiscus syriacus 'Red Heart' grows between 5 and 8 feet tall with a spread of about 6 feet. The Red Heart Althea tree has enormous, trumpet-like, white flowers with a ruby red eye in the center that will last all summer long. It adapts to most soil types and prefers full sun.