About
Cirsium acaule is a low perennial plant characterized by a rosette of rigid, spiny leaves that are glossy and green. During the summer months, it produces thistle-like blooms, typically appearing as solitary flowers without stems. These flowers feature clusters of tubular petals in a violet hue, which later develop into fluffy white seed heads.
About the genus
Cirsium includes both biennial and perennial species characterized by their spiny foliage and distinctive thistle-like flower heads.
Plant details
- Height
- Up to 10 cm
- Spread
- 0.1-0.5 metres
- Native to
- Europe to C Asia
Care notes
- Cultivation
- Thrives in full sun, particularly on chalk and limestone but will tolerate any well-drained soil; often found on grazing sward where it benefits from shorter grass coverage
- Pruning
- Deadhead if seed is not required
- Propagation
- Propagate by seed
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to powdery mildews