‘Charlotte’ is a compact, clump-forming, half-hardy, deciduous to semi-evergreen perennial with broad, strap-shaped, mid-green leaves, and, in summer, sturdy, erect stems bearing rounded umbels of star-shaped, pale blue to blue flowers with a dark violet-blue stripe down the centre of each petal.
0.6m ht x 0.35m sp
Grow in fertile, moist but well-drained soil in full sun. Can be grown in a container. Apply a deep winter mulch in cold areas.
Containers, Architectural, Coastal, Flower Arranging, Beds and borders, Mediterranean, Sub-Tropical
Spent flower stems can be cut in autumn or leave seedheads intact for winter interest. Divide every 3-4 years in spring.