Salvia 'Indigo Spires'
"Salvia" 'Indigo Spires' is a hybrid cross between "S. longispicata" and "S. farinacea". It was a chance discovery at Huntington Botanical Gardens, found growing near the two presumed parents, "S. longispicata" and "S. farinacea". Introduced into horticulture in 1979, and has become a very popular bedding plant. The spike-like inflorescences reach , blooming from early summer to frost, with small () rich violet flowers that are very tightly packed in whorls. The calyx is purple, staying long after the flower falls off.