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.
Types of Marigolds. There are numerous varieties of marigolds, but most can be broken down into three major groups. The African marigold varieties can grow up to 3 feet tall and have flowers that are 3 1/2 inches across.The French marigold is generally around or under 1 foot tall with flowers that are about 2 inches across.These two groups have been cross-bred to create a third group called the triploids. Triploids can grow a little taller than 1 foot high and have flowers about 2 inches across.he French marigold is generally around or under 1 foot tall with flowers that are about 2 inches across. These two groups have been cross-bred to create a third group called the triploids. Triploids can grow a little taller than 1 foot high and have flowers about 2 inches across.