Sino-Siberian Iris
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This is another beardless group closely related to the Siberian iris, and includes I chrysographes, best known in its “black” form, of which there are now a number of named hybrids. Some of the other species in this group are I forrestii (yellow), and the taller I delavayi (violet). Few hybridizers seem to have succumbed to the charm of these iris, but the work that has been done, produced first of all spotted patterns of blue on a white ground. Further work has introduced colour into the ground, and more recently the dotted patterns are blending into one another giving an ombre effect.
These also need moist growing conditions, in an acid to neutral soil.
Jennifer Hewitt
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