Flowering stems grow 5 feet tall, the plants have bluish foliage. The white flowers are tinted with green and are produced in showy upright, generally unbrunched racemes. Planted for its spiky foliage and fragrant flowers, long lived and low care required. Drought tolerant.
Soak seeds in warm water for 2 days, sow and cover 1/4 inch deep and use 65-70F. Germination can start in 20 days and be spread out for one or more years.