How to Fertilize Iris clarkei?
Diluted iris-specific feed every four weeks spring and summer months

Iris clarkei · Iris clarkei
Thrives in a sunny position, in moist but well-drained, ideally neutral to slightly acid soil. Will tolerate some dappled shade, though they flower best in full sun. Divide every three to five years to maintain vigour
Diluted iris-specific feed every four weeks spring and summer months