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The evergreen perennial Phormium 'Yellow Wave' has yellow-green foliage with mid-green stripes. Tubular red flowers will bloom in the summer, adding color and enhancing its striking appearance. These adaptable perennials work well in beds, borders, and patio containers. They will require some protection from strong, cold winds in the winter, so choose a suitable location in a border or bed, and if it is potted up in a container, move it before the winter conditions arrive. It will also benefit from full sun and, at times, some shade. Height and spread 2m (6?) and spread 2.5m (8?).