Eryngium amethystinum, Amethyst sea holly - 9cm pot
An unusual plant which seems to be slow growing and quite small in stature compared to many other varieties. Compact mounds of intricately veined prickly foliage and upright stems of stunning iridescent violet-blue thistle-like flowers. Ideal for sunny areas with good drainage and is drought tolerant once established. Size at maturity 30-40cm high and wide. 9cm pot.