Our regions shrub form of hibiscus has a long and storied history in the garden, a history that starts in ancient Asia, where Hibiscus syriacus, the species we know commonly as Rose of Sharon, is native. While not native in Europe, Rose of Sharon was cultivated there for centuries and is referred to throughout ancient writings, including passages of the Bible. Settlers brought it to the New World, and it soon became a landscape mainstay in colonial America.
Its easy to understand why Rose of Sharon has remained so popular. There are few plants as easy to get established in the landscape or as floriferous and rewarding with so little expenditure of effort. While Rose of Sharon is considered a shrub, its good to note that its a rather large, bulky one. At 10 to 12 feet tall and six to 10 feet wide, it will rapidly eat up space in a small yard. But its seductive bloom can easily override gardening logic, especially when the plant is small and loaded with color.
H. syriacus and its three-to-four-inch-wide flowers bloom on new wood. It buds in midsummer and begins to bloom in late July, continuing into September. Rose of Sharon loves full sun but tolerates light shade,...