|Among the hardiest of the hollies hailing from northern Japan. 'Blue Stallion' has a true holly look in a dense, bushy plant with purple stems and extremely dark green foliage. Leaves are small, glossy, with entire margins. Needs rich, slightly acid soil. This cultivar has smooth margins on the leaves and grows much faster than 'Blue Prince'. It makes a good pollinator for 'Blue Princess' and has an extended flowering period in the spring.