Iris Sibirica Bulbs
- Butter & Sugar Boasting large flowers, its a best-seller! ’ Butter & Sugar’ is a charming creamy white flower flag iris with palest yellow falls, marked with pretty green veining. This Iris Sibirica plant is best planted in clumps for the best effect. Great for naturalising. Ideal for planting beside ponds or water features thriving in moist but drained soil. Flowers May-June. Height 71-80cm; spread 31-40cm. Grade 1 root.