Dietes grandiflora is also known as the Fairy Iris, as well as Dietes grandiflora ‘Reen Lelie’. It is part of the Iridaceae family of plants and it is native to southeast Africa. The flowers are iris-like and it is a rhizomatous evergreen perennial. The foliage is upright, narrow, and sword-like. It is clump-forming and the flowers throughout the summer, in warmer climates they could flower all year through. The flowers last several days they are produced on erect stalks. Each flower has three outer petals they have yellow stripes, brown marks in the center, and from the center 3 pale violet arms.
Dietes grandiflora is easy to grow and it can reach 4ft tall or 120cm it can form clumps of 3ft or 90cm wide. Plant Dietes grandiflora in the sun or partial shade in moist but well-drained soil. It is generally disease-free and pest-free. Deadhead flower or remove seed pods to promote more flowers, however, do not remove the flower stems. Remove dead leaves. Dietes grandiflora self-seeds. Propagate by division after flowering is done. It could be drought-tolerant.