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.
As far as size goes, it could just depend on the species of marigold plant that you have. Bushy Tagetes patula species are smaller and more compact while the Tagetes erecta species is often taller. You can try to pinch them back and see if they will get bushier. Usually you only deadhead the spent flowers on marigolds.