Blue Wheat Grass Elymus magellanicus is a clump-forming grass with striking, silvery blue foliage, showing the best colour in spring and early summer. Blue grasses don’t love our long wet Irish winters and are best grown in a well-drained rock garden or raised bed. A superb architectural grass and possibly the bluest of them all. Position: Full sunSoil: Requires well-drained soil that does not dry out completely. Grows well on poor sandy and stony soils.Flowering Period: MidsummerHardiness: HardySize: Height: 75cm (2’6’’) Spread: 45cm (1’6")