Iris Flower Light Requirements. Give them plenty of sunlight and enjoy their beautiful blooms. Some varieties will tolerate part shade such as Siberian irises and Pacific Coast natives Iris innominata Iris tenax Iris macrosiphon and Iris douglasiana.
Iris cristata Dwarf Crested Iris is a low-growing perennial forming a quickly spreading mat of narrow sword-shaped bright green pointed leaves. For maximum flowers iris rhizomes need to be warmed by the sun in August and September. Some varieties will tolerate part shade such as Siberian irises and Pacific Coast natives Iris innominata Iris tenax Iris macrosiphon and Iris douglasiana.
With its wide range of varieties and growing zones the iris is a hardy plant that can tolerate fluctuations in temperature and humidity.
Dutch iris bloom in early summer in deep and light blue purple yellow and white on 24 inch tall stemsThey prefer sun or afternoon shade and rich well-drained soil. But growing irises has its surprises. Garden Tools Paintings for Affordable Prices. 12092018 Irises need full sun at least half the day.