Want to see pretty blooms in your springtime garden? Then plant Dwarf Iris bulbs in fall! These tiny irises offer jewel-toned flowers in late winter and early spring. For best results, be sure to sow the bulbs in a spot that gets full sun or partial shade and has well-draining soil. Most Dwarf Iris varieties (such as Iris danfordiae and I. Reticulata) are hardy in Zones 3 – 9.