Libertia grandiflora, the tukauki or mikoikoi, is a flowering plant in the family Iridaceae. The species is endemic to New Zealand, and is found on the North Island and the northern part of the South Island.[1] [2] It is a clump-forming herbaceous perennial growing to 90cm (40inches) tall by 60cm (20inches) broad, with leathery linear leaves and panicles of white flowers in spring, followed by seed capsules.[3] The Latin grandiflora means large flowered;[4] its flowerheads can grow up to three centimetres across.
In cultivation this plant requires a sunny, sheltered location and protection from winter frosts. It has gained the Royal Horticultural Society's Award of Garden Merit.[5]