Which species does Astilbe x arendsii refer to?

Astilbe x arendsii refers to Hybrid Astilbe, which is a hybrid group derived from crosses between various species of Astilbe. This genus is known for its attractive, feathery plumes of flowers and lush foliage, making it a popular choice for gardens, particularly in shaded or partially shaded areas. The 'x' in the species designation indicates that it is a hybrid.

Hybrid Astilbes, including Astilbe x arendsii, are cultivated for their improved characteristics such as flower color, blooming time, and growth habit compared to their parent species. This makes them a versatile and beloved option for landscape design, as they can provide long-lasting blooms in various colors while also thriving in conditions that many other plants may not tolerate well. The name 'Arendsii' honors the horticulturist who contributed to the development of these hybrids, further solidifying its classification within the context of Hybrid Astilbe.