Plants provide a sharp architectural feature, equivalent to yuccas in the dry garden. Foliage upright, to curving over. Enjoying a good soil, in full sun. In colder areas, A mulch around the plants, particularly during long cold winters, may be necessary. In the milder and wetter areas of Britain, plants can make large specimens, which can take some effort to remove! 2 species from New Zealand, but there are plenty of compact forms suitable for smaller gardens or growing in pots. Plants not suitable to be cut back, but untidy or fading foliage can be cut out, close to the ground.