Photo: Didier Descouens · CC BY-SA 4.0 · Wikimedia Commons
Bloom colours
blue, pink, white
What actually matters with this one
Acid soil turns it blue, alkaline turns it pink. The plant is reporting your soil pH back to you.
How to grow it
- Light
- part shade
- Water
- Never let it dry out
- Hardiness
- Zones 6-9
- Height
- 1.5 m
- Flowers
- July to September
- Difficulty
- easy
Where you will meet it
Plant it alongside
Relatives and plants that want the same conditions.
