(Known as rattlesnake master) A fantastic architectural feature plant for your garden! Clumps of blue-green foliage which resemble yucca plants a little bit, hence the species name. Can flower at a young age, sending up branched spikes in summer, each one bearing lots of beautiful cone-shaped, greenish white thistle-like flower heads. Butterflies and bees love them too! Easily grown in most soils and prefers full sun, drought tolerant once established although does better if given the odd watering during dry periods. Size at maturity 1.2m high x 60cm wide. 9cm pot.