Spotted Knapweed
Centaurea stoebe
A hardy, purple-flowered pioneer species for open landscapes.
- Plant Type
- Ornamental Grasses
- Width
- 2-4 Ft.
- Height
- 2-3 Ft.
- USDA hardiness zone
- 8 - 11
- Sun requirements
- Full Sun
- Design image count
- 1
Design images (1)
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Create design onlineAbout Spotted Knapweed
Centaurea stoebe, commonly known as spotted knapweed, is a resilient biennial or short-lived perennial characterized by its deeply lobed, gray-green foliage and stiff, branching stems. Reaching heights of up to four feet, it produces distinctive thistle-like purple flowers with black-tipped bracts. This taprooted species thrives in full sun and well-drained, disturbed soils, often forming dense colonies. While ecologically aggressive, its unique texture and hardy nature define its presence in open fields and roadsides.