
Photo: Photo by and (c)2007 Derek Ramsey ( Ram-Man ). Co-attribution must be given t... · CC BY-SA 3.0 · Wikimedia Commons
Bloom colours
violet, white
What actually matters with this one
Wet in summer, merely damp in winter. Standing water over winter rots the rhizome.
How to grow it
- Light
- full sun
- Water
- Never let it dry out
- Hardiness
- Zones 4-9
- Height
- 90 cm
- Flowers
- June to July
- Difficulty
- moderate
Where you will meet it
Plant it alongside
Relatives and plants that want the same conditions.



