Shop Plants
- Facing : South
- Soil type : Moderately fertile, moist but well-drained soil, or peat-free general purpose compost
- Waitrose ( choice plants) : Alan's Choice
- Eventual size : Small
- Chelsea plant of year : Centenary
- Attractive to wildlife : Attractive to wildlife
- Flowering month : August
- Flower colour : Blue
- Position : Steep banks