It’s important to note, however, that Japanese spirea (S. japonica) is considered invasive in areas of the Southeast. S. nipponica ‘Snowmound’ grows to nearly 4 feet high and is loaded with ...
and Nippon spirea (Spiraea nipponica), with graceful spreading branches. There are also native species of spirea, including birchleaf spirea (Spiraea betulifolia), which has white flowers and red ...