Flat sea holly
Small steel-blue thistle-like heads.
Sun: Full sun.
Soil: Well-drained.
Hardiness: H7 — below −20°C.
Flowering: July, August.
Small steel-blue thistle-like heads.
Sun: Full sun.
Soil: Well-drained.
Hardiness: H7 — below −20°C.
Flowering: July, August.