What Soil Is Best for iris 'Black Joker'?
- Soil type
- Chalk · Clay · Loam · Sand
- Soil pH
- Acid · Neutral

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.