Moderate water in Phoenix; water deeply when the upper 2–3 inches of soil dry. Increase frequency during extreme summer heat without keeping soil soggy.
Size
2-4 ft tall × 2-3 ft wide
Habit
Perennial clump
Toxicity
Non-toxic
Description
Dietes iridioides, commonly called African iris or fortnight lily, is a clumping perennial with narrow, sword-shaped leaves and delicate, white iris-like flowers.
Bloom Time
Spring through fall; individual flowers short-lived but produced repeatedly
Light: Morning sun with afternoon shade is best in Phoenix; avoid intense reflected heat and exposed western locations.
Water: Moderate water in Phoenix; water deeply when the upper 2–3 inches of soil dry. Increase frequency during extreme summer heat without keeping soil soggy.
Soil: Well-drained soil enriched with compost; tolerates sandy or loamy soils. Mulch to conserve moisture, keeping mulch away from the crown.
Mature size: 2–3 feet tall and 2–3 feet wide; flower stalks may reach 4 feet.
Bloom: Blooms in flushes from spring through fall, especially with adequate moisture; flowering may slow during extreme heat.
Evergreen / deciduous: Evergreen in mild winters; frost may damage foliage.