Perennial flower
Dense Blazing Star plant profile
Liatris spicata
A perennial flower for full sun.
Last updated .
When to plant
When to plant Dense Blazing Star
This low-maintenance plant prefers average to moist, well-drained soils ranging from acidic to neutral. It grows in full sun to partial shade, tolerates summer heat and humidity, and can be spaced 12 to 36 inches apart.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Dense Blazing Star in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Soil pH
- 5 to 8
- Lifecycle
- Perennial
- Spacing
- 12 to 36 in apart
- Hardiness
- Zones 3 to 8Find my hardiness zone
Next steps
Continue with Dense Blazing Star
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Liatris spicata (Dense Blazing Star, Marsh Blazing Star)
NC State Extension Gardener Plant Toolbox. Supports general reference. Checked 2026-06-18.