
Photo: Wouter Hagens · Public domain · Wikimedia Commons
Bloom colours
lavender-blue, white
What actually matters with this one
Cut the main stem back after flowering and side shoots carry a second crop of bells into September.
How to grow it
- Light
- part shade
- Water
- Even moisture
- Hardiness
- Zones 5-8
- Height
- 1.5 m
- Flowers
- June to August
- Difficulty
- easy
Plant it alongside
Relatives and plants that want the same conditions.



