Photo: C T Johansson · CC BY 3.0 · Wikimedia Commons
Bloom colours
cobalt, rose, white
What actually matters with this one
It needs cold to germinate, so sow in autumn or chill the seed in the fridge for a fortnight first.
How to grow it
- Light
- full sun
- Water
- Even moisture
- Hardiness
- Annual
- Height
- 1.2 m
- Flowers
- June to August
- Difficulty
- easy
Plant it alongside
Relatives and plants that want the same conditions.
