Avoid applying fertilizer late in the growing season. Once established, needs only occasional watering. If the Dietes Bicolor plant becomes too clumped up or oversized, it would be best to divide it up in the late winter before spring growth begins. Over half of the species of Iridaceae occur in South Africa, in 38 genera. The Yellow Peacock Flower, Dietes bicolor is a good addition to garden borders, it remains fairly compact and flowers for many months. Joffe, P. 1993. What time would you lift and divide a Dietes? Prononciation de Dietes bicolor à 1 prononciation audio, et de plus pour Dietes bicolor. To remove the plant from the container, gently brace the base of the plant, tip it sideways and tap the outside of the pot to loosen. Although it occurs naturally near streams and in marshy places, it is also drought-resistant and frost-hardy. Remove all but the lower third of the plant with pruning shears that have been sterilized and dig the plant up carefully. For optimal results plant the yellow wild iris in soil containing plenty of compost and water regularly. 1st edition, Johannesburg: Hugh Keartland Publishers. New plantings should be watered daily for a couple of weeks. The pretty yellow open-faced flowers have maroon/brown spot on each large tepal and grow on tall stems above the leaves. They are about 10 years old and i think i need to dig them up and divide them. bicolor (above), or the yellow wild iris, is fast growing. The spiky foliage adds great texture and interest to formal settings or plants can be naturalized for a casual, carefree look. How to care. The Dietes bicolor made large clumps, so it was divided with a bread knife. USDA Zone ? Another way to go, and in my opinion the best option, is to dig up and divide any clumps of dietes that have become overly large and unsightly. Dietes bicolor, commonly called African iris, comes from South Africa. Established plants should be fed in early spring, then again halfway through the growing season. D. bicolor is found naturally in the Bathurst region of the Eastern Cape in South Africa. The seed of the plant germinates readily when sown in spring or autumn in a good, moist seedling medium. Not registered yet? The flowers are not suitable for cut flower arrangements as they are so short lived. Positive: On Mar 31, 2008, stephanotis from Queen Creek, AZ (Zone 8b) wrote: The guy who did our landscaping planted several clumps of these, but said they were bearded iris. It is a rhizomatous evergreen perennials that generally resemble beardless iris. Habit. Vining plants require vertical space to grow, so provide a trellis, fence, wall or other structure that allows the plant to grow freely and spread. The flower of Dietes bicolor is made up of three functional units, each consisting of an outer tepal and a style branch. If the Dietes Bicolor plant becomes too clumped up or oversized, it would be best to divide it up in the late winter before spring growth begins. have broad overlapping … Continue reading "Fortnight lily" Clay soils hold moisture longer than sandy soils, so expect to water more frequently in sandy settings. The African iris (Dietes iridioides) ... Divide the irises in spring or fall after two or three years or any time the plants appear congested and crowded. This African native grows naturally in marshy, wet conditions but it can tolerate drought conditions just as easily. Dietes bicolor is: Evergreen. dietes hybrids. Feuillage : Feuilles vert foncé fines, longues, un peu désordonnées. They are arranged in flat fans similar to other members of the iris family. Deep watering encourages roots to grow further into the ground resulting in a sturdier plant with more drought tolerance. It grows and flowers best in a moist, well-drained soil in full sun. Reliable evergreen perennial. Van Der Spuy, U. Incorporate fertilizer into the soil when preparing beds for new plants. Learning how to take care of Dietes flowers is not difficult, but will vary depending upon the … I also found it difficult to divide an established African iris (Dietes bicolor). Its evergreen, spreading habit makes it suitable for use as a long-lasting ground cover. After the flowering season, divide the large clump rhizomes. Pruning stimulates tender new growth that will damage easily when the first frosts arrive. This African native grows naturally in marshy, wet conditions but it can tolerate drought conditions just as easily. This species belongs to the Iridaceae (Iris) family. kathy.huber@chron.com Nectar is secreted at the base of each of the outer tepals. An evergreen, clump-forming and self-sowing iris, with graceful swordlike foliage resembling ornamental grass. It forms rounded tufts of pale green, sword-like basal leaves. Fire resistant. 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