Buy Flowers › Salvia patens 'Blue Angel' - 4" Pot Salvia patens 'Blue Angel' - 4" Pot $6.50 Electric blue flowers, Hummingbirds love this plant, 2' tall, annual in zone 5-6 Add To Cart Added! Electric blue flowers, Hummingbirds love this plant, 2' tall, annual in zone 5-6