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.
How to Grow Marigolds. Marigolds are annual flowers that are easy to grow from seed and resilient. They can be grown in the garden, in containers, and they play a role in Companion Planting. Some even have edible flowers! Learn how to grow Marigolds from seed, and they will earn a place in your garden every year.