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 are easy to grow; so easy in fact, that anyone can do it. You don't need great soil, just your run of the mill dirt, which is easy to come by. And you don't need to feed them or fuss over them. All they need is soft ground, direct sunshine, and some water.