Deschampsia caespitosa 'Goldschleier' Hair Grass Size: 2 to 3' high and 1 to 3' wide. Hardiness: Zones 4 to 9. Heat Zones: 9 to 1. Habit: These fine-textured ornamental grasses produce dense clumps of very narrow, hairlike leaves. Their thin flower clusters are even lighter and more ethereal then the foliage. Culture: Full Sun to deep shade.