A clump-forming perennial, to 1.5m high in flower, with fleshy roots and narrowly lance-shaped, mid green leaves that die back after flowering. Tall, slender spikes of small, densely packed, bright yellow flowers, with light green midribs and long stamens, are produced in early summer
Position
Soil Types
Max Height
1-1.5 metres
Max Spread
0.5-1 metres