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.
1 Marigolds need lots of sunshine. 2  Though they grow in almost any soil, marigolds thrive in moderately fertile, well-drained soil. 3  Sow them directly into the garden once the soil is warm, or start seeds indoors about a month to 6 weeks before the last spring-frost date. Though they grow in almost any soil, marigolds thrive in moderately fertile, well-drained soil. 2  Sow them directly into the garden once the soil is warm, or start seeds indoors about a month to 6 weeks before the last spring-frost date. 3  The seeds germinate easily, but watch out for damping off if you start them inside.