Aquilegia vulgaris Blue-Purple - Bio - Hardy plantLooks great in a border. The barlow (Aquilegia vulgaris) has fantastic purple flowers with green, fern like leaves. The organic flowers attract bees and butterflies. It is a true native plant! The flowers bloom beautifully early in summer. Prune the spent flower stems after they bloom. Plant three plants per linear metre. Give the blue barlow a sunny to partially shady spot. Remember to give extra water during dry periods. For an amazing border!