Cultivars of Hardy Perennials

This sixth volume in the series contains genera beginning with the letter S. There are 538 different of Salvia described along with 459 Sedum cultivars. This does not count botanical taxa. There are also 18 Santolina, 69 Sarracenia, 400+ Sempervivum, 31 Sisyrinchium, 37 Stokesia, 10 Sanguinaria, 18 Schizacharium, 24 Selaginella, 59 Solidago and hybrids, and 8 Syneilesis. Besides our abnormally large, digital images, cultivars are described with a much detail as possible including origins and histories.