Photo: Photo by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons
Bloom colours
violet-blue
What actually matters with this one
It flowers for five months without a single deadhead. Shear it back by half in August for a fresh late flush.
How to grow it
- Light
- full sun
- Water
- Even moisture
- Hardiness
- Zones 5-8
- Height
- 50 cm
- Flowers
- June to October
- Difficulty
- easy
Plant it alongside
Relatives and plants that want the same conditions.
