Lomandra longifolia – Spiny-headed Mat-rush Posted on 16/09/202316/09/2023 by Lyn0.9 – 0.2m H x 1 – 1.2m W. Prefers moist soils, but will tolerate some dryness. Full sun to part shade. May be pruned back hard to remove old or dry growth. Reasonably fast growing.