What Soil Is Best for iris 'Sultan's Palace'?
- Soil type
- Loam · Sand
- Soil pH
- Acid · Neutral
iris 'Sultan's Palace' · Iris 'Sultan's Palace'
Grow in well-drained, fertile, neutral to slightly acidic soil in full sun. Do not cover the rhizomes with mulch, or allow other plants to shade them; sun on the rhizomes encourages flowering. Give a high potash feed in spring and divide every three to four years. See also bearded iris cultivation