Borage - good companion plant for tomatoes, squash and strawberries and much-loved by bees. Flowers and young leaves are edible and have a mild cucumber flavour. Use flowers sparingly in salads and float in fruit punch / Pimms. Flowers can also be candied for cake decorating. More: http://theepicentre.com/spice/borage/
Grevillea Superb/Australia A medium shrub with large flowers in with a blend of salmon, apricot and lemon through out most of the year. Evergreen drought hardy shrubs with attractive foliage and masses of flowers. Bird attracting. Ideal for a small hedge or screen (plant 1m apart for a hedge). It can grow in full sun to part shade position. Grows 1-1.5m high x 1.5-2m wide.
Blue fescue One of the most versatile ornamental grasses, blue fescue can be used in many different ways. Plant it at the base of leggy shrubs or tall perennials, such as lilies, to help them blend with the landscape and offset the other plant's flowers or foliage. Plant in masses as a groundcover or in rows as an edging plant. Use as an accent in a rock garden or flower border.