Rose of sharon (Hibiscus syriacus) is a medium-sized ornamental shrub which is popular due to its large showy flowers which are available in a large variety of colors. It's leaves are green, simple, rhomboid and ovate in shape, pinnate, and 2 to 4 inches in length. H. syriacus is native to eastern Asia, but was introduced worldwide as an ornamental often used for hedging.
Toxic components H. syriacus is toxic to horses if ingested.