Seeds per gram: 220
Average germination rate: 85%
Package sizes
- 10 seeds — 8 plants — covers about 8–16 sq. ft.
- 25 seeds — 21 plants — covers about 21–42 sq. ft.
Plant growth and coverage
- Upright, clumping habit with dramatic dark purple foliage and bold flower spikes
- Height: 90–150 cm (3–5 ft)
- Spread: 30–45 cm (12–18 in)
- Spacing: 30–45 cm (12–18 in); full sun; heat and drought tolerant
Choosing a packet size
- A 10-seed packet is ideal for home gardeners wanting a few statement clumps for containers, focal points, or small beds.
- The 25-seed packet suits small-to-medium gardens, short borders, or landscapers and market growers looking to mass plants for impactful displays and cut stems.