Iris chrysographes
Black Iris
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Black Iris (Iris chrysographes) - Description
Iris chrysographes, commonly known as the Black Iris, is a plant species that belongs to the genus Iris. It is native to S China and Myanmar (Burma), growing in meadows, streamsides, hillsides and forest margins. Other irises with black flowers include Iris nigricans which is the national flower of Jordan, Iris petrana, Iris atrofusca, Iris atropurpurea, Iris susiana, and some varieties of Iris germanica.
Black Iris (Iris chrysographes) - Blooming
All bear flowers with 6 petals. Three, called standards, point up or out. And three, called falls, point out or down. Generally flowers are borne in small clusters and buds open in succession along the stalk.
Black Iris (Iris chrysographes) - Growth
A vast genus or both perennials and bulbs, 300 species and thousands of cultivars. Foliage is sword shaped, strap shaped, or grassy. Some rhizomatous species spread widely, other form clumps.
Black Iris (Iris chrysographes) - Planting
Varies by type. Beware of planting rhizomes too deeply or covered with too much mulch, as they may rot. Plant bearded irises from mid-summer to early fall.
Black Iris (Iris chrysographes) - Pest
The most serious problem is bacterial soft rot, which you will recognize from mushy, foul-smelling rhizomes. To prevent, do not use manure or excess nitrogen, especially with poor drainage. If soft rot occurs, dig up and destroy the effected portions of rhizome
Black Iris (Iris chrysographes) - Interesting facts
Iris, the Greek goddess of the rainbow, gives her name to these flowers. History records their cultivation as far back as 1500 BC in Egypt.
Black Iris (Iris chrysographes) - Soil and irrigation
Bearded irises prefer average to rich, well-drained soil. Whereas bog irises need permanently damp soil or even to be placed at a pond margin.
