Hillside gardening - Think Mediterranean. Many plants of Mediterranean origin make perfect candidates for growing on sunny, dry, rocky slopes. Rosemary (Rosemary officinalis, zones 8 to 10), lavender (Lavendula spp, zones 5 to 9) and sage (salvia spp and cvs, zones 5 to 9) are all good choices.
Ilex crenata ‘Steeds’ - Japanese holly; 4-5′; easy-to-grow plants; full sun to part shade. Can be fed a general fertilizer in spring, before new growth begins. Very responsive to pruning and can be sheared annually to shape, making them a great choice for a hedge, for flanking the entrance of the house 6' to 8' in height, 5' to 6' wide. Zones 5–9.