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.
Add French marigolds (Tagetes patula) to the front of the flower bed; French marigolds grow up to 16 inches tall or up to 12 inches for dwarf varieties. These smaller marigolds are commonly used as border plants in the front of flower beds and around vegetable gardens.