Plants in genus anchusa
Anchusa azurea 'Loddon Royalist'
Anchusa azurea 'Loddon Royalist' is a perennial with a basal rosette of dark green foliage and upright flower stalks reaching 3 feet tall. It produces clusters of dark cobalt blue flowers in late spring, attracting bees and butterflies. This deer-resistant plant thrives in well-drained sites and is recognized as one of the top 200 plants by the Royal Horticultural Society.
Anchusa capensis 'Blue Angel'
Anchusa capensis 'Blue Angel' is a perennial native to South Africa and Lesotho, growing at elevations from sea level to 10,000 feet. It features green-leaved basal rosettes and 18-inch tall stalks with cobalt blue flowers in spring. This plant naturalizes well from seed and requires well-drained soil.