A fast growing perennial. Forming a bushy, erect, sparsely-branched medium-sized sub-shrub with oblong, grey-green leaves and large, rounded heads of greenish-yellow flowers. Max Height 1m. Max Spread 1m. Flowers from April to June. Grow in full sun and well drained soil. CAUTION skin and eye irritant/toxic if eaten. Family; Euphorbiaceae.