Eryngium
Spiky steel-blue thistle-like flowers on wiry stems — dramatic in gravel gardens.
Sun: Full sun.
Soil: Well-drained.
Hardiness: H5 — down to −15°C.
Flowering: Jul, Aug.
Spiky steel-blue thistle-like flowers on wiry stems — dramatic in gravel gardens.
Sun: Full sun.
Soil: Well-drained.
Hardiness: H5 — down to −15°C.
Flowering: Jul, Aug.