Photo: Aeveraal · CC BY-SA 4.0 · Wikimedia Commons
Bloom colours
crimson, violet
What actually matters with this one
Leave the old stems on all winter as frost protection, then cut to the ground in April. It flowers on new wood.
How to grow it
- Light
- part shade
- Water
- Even moisture
- Hardiness
- Zones 6-9
- Height
- 1.5-2 m
- Flowers
- June to October
- Difficulty
- easy
Plant it alongside
Relatives and plants that want the same conditions.
