However, it will perform well in full sun if enough moisture is provided. It grows in dense shade as well. Heartleaf Brunnera works well in combination with hostas and lungworts. Compared to the bearded iris, crested iris is tiny, reaching only 6 inches in height. Flowers are smaller and without beards but very effective in the woodland garden.
Flower colors are somewhat limited, mainly blue, purple, and white.
The crested iris has fewer insect and disease problems than the bearded iris. The plant prefers full sun to part shade with well-drained soil. Crested iris also works well in the rock garden. The nodding, bell-like flowers vary in color from creamy white, pale green, lavender, to burgundy. Plants will reach 15 to 18 inches tall.