Delphinium x belladonna 'Blue Donna', is a hardy, herbaceous perennial renowned for its vibrant blue flower spikes and compact growth habit. It typically reaches a height of 80–100 cm and spreads approximately 20–25 cm, forming an upright, well-branched structure. The plant features deeply lobed, green foliage and produces abundant dark blue flowers from late spring through late summer, attracting bees and butterflies. It is commonly utilized in mixed borders, cottage gardens, and as a cut flower, valued for its extended blooming period and striking floral display. ​