Photo: Syrio · CC BY-SA 4.0 · Wikimedia Commons
Bloom colours
purple
What actually matters with this one
Group 3: cut the whole thing to knee height in February. Shade the roots, sun the top.
How to grow it
- Light
- full sun
- Water
- Even moisture
- Hardiness
- Zones 4-8
- Height
- 3-4 m
- Flowers
- Jul-Sep
- Difficulty
- moderate
Plant it alongside
Relatives and plants that want the same conditions.
