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 a very versatile flower. They enjoy full sun and hot days and grow well in dry or moist soil. This hardiness is one of the reasons that they are often used as bedding plants and container plants. Once marigold flowers are planted, they need very little in the way of care.