African Iris: Yellow Latin Name: dietes vegeta (Moraea iridioides) These are small starter plants less than 12 inches. The Basics This evergreen, herbaceous perennial blooms a yellow flower with red and orange markings.The blooms continue rapidly throughout the year, and arise from green, thick stalks up to 2 -6 feet(2-4 feet wide). Best performs as an enhancement to the landscape by border planting, groundcover under trees, and foundation planting. Amount of Sunlight: Full sun to partial shade Amount of Water: Once mature water occasionally; tolerates moderate drought Soil Conditions: Dry, well-drained soil Cold Hardiness Zone: 8-11 This low maintenance plant needs a regular water schedule to ensure the growth of a mature root system.After the mature root system is established, watering is needed occasionally, except during a drought, watering is needed regularly. Remove old flower stalks to maintain its appearance.