SEA HOLLY ‘Superbüm’
A beautiful perennial that has a profusion of soft, steely-blue flower heads on 80cm stems, the blue intensifies into autumn. A robust, long lived native of the alpine meadows in Europe. One of the most impressive sea hollies it holds interest in the garden over a long period. The foliage and flowers are great for cutting or drying. Frost hardy for full sun-part shade in well-drained soils. 20 seeds.