Colorful small tree in bloom and interesting for its form. Tolerates heat, drought, wind, alkaline soils, and air pollution. Newly emerging leaves can be damaged by late spring freezes. Rather weak-wooded. Can be damaged or killed by –25 degrees F. Invasive in some parts of the country. […]
Has high salt and wind tolerance, and is somewhat drought tolerant. Excellent visual barrier. All parts of this plant are poisonous to humans, even smoke is a serious irritant. Oleander caterpillar can be a problem. Many cultivars, including ‘Hardy Red,’ which has red flowers and is hardy to 0 degrees Fahrenheit. […]
The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Physical Facilities Grounds Department