- Tall spires of soft purple flowers create striking vertical accents.
- Long flowering period adds sustained summer interest.
- Excellent for pollinators, especially bees.
- Strong architectural presence in mixed borders.
What you need to know:
- Height: 1–1.5m
- Spread: 40–60cm
- Soil type: Well-drained soil
- Flower colour: Purple
- Flowering period: Summer
- Sun level: Full sun
- Position: Borders, cottage gardens, wildlife planting
























