Iris sibirica is also known as Siberian Iris or Siberian Flag. It is a herbaceous perennial. It is part of the Iridaceae family of plants. Iris sibirica is rhizomatous. It is native to a region from Europe to Central Asia.
Iris sibirica was originally called Iris augustifolia by Carolus Clusius. Monks originally discovered it in Siberia. Carl Linnaeus published it first in 1753.
Iris sibirica leaves are long and grass-like. The leaves are ribbed. Leaves grow to 80cm or 31in long. In autumn they turn yellow and die down. It has unbranched stems that differ from Iris sanguinea.
Flowers grow on stems that are taller than the leaves. The flowers range from blue to violet and purple. The flowers have three brownish paper-like spathes. They have two pairs of petals, three large sepals or falls, and three smaller sepals known as standards. The falls have veins and into of white at the base. Following flowers, Iris sibirica produces seed capsules containing two rows of seeds. The seeds are dark brown.
How to grow Iris sibirica or Siberian Iris:
Grow Iris sibirica in the sun or partial shade. Shade could sacrifice flowers. Plant it in medium to wet soil. Slightly acidic soil is better. Though Iris sibirica prefers moisture yet it is drought tolerant. It is deer-resistant and rabbit-resistant.