What Soil Is Best for Siberian flag?
- Soil type
- Chalk · Clay · Loam · Sand
- Soil pH
- Acid · Alkaline · Neutral
Siberian flag · Iris sibirica
Also known as: Siberian iris
Grow in any good garden soil that is preferably moist but not waterlogged. In drier soils, dig in well-rotted organic matter before planting then apply as a mulch each spring