Description Kniphofia hirsuta ‘Traffic Lights’ Red-Hot Poker. A compact, clump-forming, evergreen perennial which has arching, linear, grey-green leaves. From June to September, erect stems bear dense, terminal, conical racemes of tubular, red, orange, and green flowers. Grow in deep, fertile, humus-rich soil, moist but well-drained soil, in full sun or partial shade. It will reach a height of 40cm and a spread of 45cm.
