Seeds per gram: 200
Average germination rate: 80%
Package sizes
- 50 seeds — 40 plants — covers about 160 sq. ft. at 2 ft spacing
- 200 seeds — 160 plants — covers about 640 sq. ft. at 2 ft spacing
Plant growth and coverage
- Upright, clump-forming perennial habit
- Height: 90–120 cm (36–48 in)
- Spread: 45–60 cm (18–24 in)
- Spacing: 60 cm (24 in) apart; full sun, moist to well-drained soils
Choosing a packet size
- A 50-seed packet is ideal for home gardeners, small pollinator patches, or a few meadow-style clumps in borders.
- The 200-seed packet suits larger beds, naturalized plantings, community spaces, or landscapers creating monarch-friendly corridors.