These tall and stately plants make beautiful borders along fences, at the back of perennial beds to set off other flowers, and as a large patch all on their own. African marigolds (Tagetes erecta) are good for cutting for arrangements with long, sturdy stems and good vase life. They are relatively low-maintenance summer flowers and thrive in hot, dry conditions. Here are a few of the prettiest varieties of African marigolds to try: