Marigolds are a near necessity in any garden and are a real help in vegetable patches too. They repel insects are are considered companion plants to tomatoes and other summer fruits. They make fantastic borders and come in warm hued orange, red and yellow tones. Variaties include the French marigold which with wispy foliage and flat petaled flower and the African marigold which has a pompom or round flower head. All are hardy and need only minimal watering and care and bloom all season long.