Salvia nemorosa, available from Nature Hills, for example, is a hardy perennial that produces electric-blue flower spikes that typically last from June right up until October. In one London garden ...

Salvias are a huge group of flowering perennials, loved for their generous flowering most of the year and for how easy they ...

Two perennial cut flowers are Blue salvia, Salvia farinacea, and Gerbera daisy, Gerbera jamesonii, which produce flowers continually if they receive adequate water. If you’re growing either of ...