Iris Flower Growth. Leave room for growth between the rhizomes and do not bury the entire rhizome. 26052021 Dwarf iris Iris reticulata.
Dutch varieties 1-12 to 2 feet tall and 6 to 12 inches wide. Bearded iris also vary in bloom time and flower color. Leave room for growth between the rhizomes and do not bury the entire rhizome.
Dwarf varieties 6 to 12 inches tall and wide.
The dwarf iris is a bulb-grown bearded flower that sheds its leaves after blooming and goes dormant in the summer. This is based on the wide variety of colors found in the iris species. By late summer or fall theyre ready to flower. For iris companions in the garden look to roses peonies and lilies.