Euphorbia characias subsp. wulfenii
Euphorbia characias subsp. wulfenii makes its presence known come Spring, when large heads of acid green are held above silver blue foliage. Wonderful combining with tulips and wall flowers, or dotted through a gravel garden planting.
Keeps a prescience in the garden throughout winter with its handsome blue/grey foliage.
Benefits from some shelter, especially from cold winds.
Be careful when handling (i.e wear gloves) because the caustic sap can irritate skin.