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 Marigold Plants, Growing Marigolds. Marigold plants are a very prolific, easy to grow annual flower. Kids love 'em and adults love 'em. Marigold flowers are available in a variety of colors, including white, yellow, orange, red and mixed colors. Marigold Flowers will bloom from mid-summer all the way until frost.