What Are the Moisture Requirements for iris 'Black Joker'?
Poorly drained · Moist but well drained

iris 'Black Joker' · Iris 'Black Joker'
Grow in reliably damp soil that is rich in organic matter in a sun or partial shade. Can be grown as a marginal plant in ponds and along streamsides.
Poorly drained · Moist but well drained