rhs 50 plants you can t kill surefire plants to g , fragrant, attracts pollinators. Sedum (Stonecrop): Tolerant of poor soil and drought, produces attractive foliage and flowers. Hosta: Ideal for shady spots, very forgiving. 3. Decorative Grasses Adding texture and movement to the garden with minimal care. Pampas Grass (Cortaderia selloana T Thalia Emmerich-Hauck Jan 11, 2026