Purple SalviaPurple Salvia Salvia There are few things better for a sunny border than a salvia that just keeps going. From early summer right through to autumn, the upright spikes of purple blue flowers come in wave after wave, each one bringing bees and butterflies with it. Cut it back lightly after a flush of flowers and it rewards you with another round and another. Salvias are native to a wide band running from the Mediterranean through to the Americas, and