
Photo: Bff · CC BY-SA 3.0 · Wikimedia Commons
Bloom colours
rose, white, magenta
What actually matters with this one
Thin the stems to five or six per clump in spring. Crowded plants get mildew every single year without fail.
How to grow it
- Light
- full sun
- Water
- Never let it dry out
- Hardiness
- Zones 4-8
- Height
- 1.2 m
- Flowers
- July to September
- Difficulty
- moderate
Plant it alongside
Relatives and plants that want the same conditions.



