Crape myrtles are Houston's go-to summer shrub. But they have nothing on the althea. The beautiful small tree, also called rose of Sharon, starts each day with a fresh round of 4-inch blue-purple ...
A bold, showy, flowering shrub, althea (Hibiscus syriacus), is a popular choice to adorn yards in zones 5 through 9. Many gardeners choose to plant this deer-resistant tree to attract pollinators, but ...