Agapanthus inapertus

Agapanthus inapertus, the Drakensberg agapanthus, drooping agapanthus, or closed African lily, is a species of flowering plant in the family Amaryllidaceae, native to open grasslands, forest margins and mountainous, rocky areas of Mozambique, Eswatini (Swaziland), and South Africa (Transvaal and Natal).
Growing to , this herbaceous perennial produces umbels of flowers in shades of deep blue, in late Summer. The individual flowers remain barely open. It is a popular garden plant, The cultivar "A. inapertus" subsp. "hollandii" 'Sky' has an attractive drooping habit, and has received the Royal Horticultural Society's Award of Garden Merit.