Among the easiest plants to grow, Hen-and-chicks tolerate heat, drought and neglect with style. Useful in rock gardens, container garden of all types, rooftop gardens and rock walls. Hundreds of varieties exist. All types form a low cushion or carpet of fleshy leaves, tiny new plants appearing in a circle around the mother in the middle. This selection has medium-sized rosettes of emerald green, with distinctive purple-black leaf tips. Short spikes of pastel flowers appear in summer.