1.A military campaign denotes the time during which a given military force conducts combat operations in a given area (often referred to as AO, area of operation). A military campaign may be executed by either a single Armed Service, or as a combined services campaign conducted by land, naval, air, cyber and space forces.
Facts. 1  Tall marigolds are sometimes labeled African marigolds, and the dwarf kinds are often called French marigolds. 2  Tall marigolds (Tagetes erecta) grow anywhere from 15 inches to 4 feet tall with blooms that can reach up to 5 inches across.
Marigolds (Tagetes spp.) include both hardy annuals and perennials that require little care. These flowers range in size from 6 inches to 6 feet tall with flower color ranging from pale yellow to orange, gold and a brownish-maroon. Marigolds are easily propagated from seed that germinate within a few days in warm soil.You can start seeds indoors and transplant them outdoors after danger of frost if you want earlier-blooming flowers. You can grow marigolds as perennials in U.S. Department of Agriculture hardiness zones 9 through 11.arigolds are easily propagated from seed that germinate within a few days in warm soil. You can start seeds indoors and transplant them outdoors after danger of frost if you want earlier-blooming flowers. You can grow marigolds as perennials in U.S. Department of Agriculture hardiness zones 9 through 11.