- Type
- Hardy herbaceous perennial
- Final height
- 0.75m
- Final width
- 0.5m
- Situation
- Full sun
- Flowering months
- Jun - Aug (blue)
- Can it be multiplied
- By division (spring)
- Edible
- No
- Toxic
- Harmful if ingested
- Bee friendly
- Yes
- Plant care tip
- Remove old flower spikes in winter or spring