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.
Depending on the variety, marigolds can grow 8 to 40 inches tall, and develop blooms that can range in size from 1 to 5 inches. For germination within about five to 10 days, start the seeds indoors six weeks before the last spring frost and expose them to ideal conditions.tarting the Seeds. Start marigold seeds in a seed-starting flat that's filled up until 3/4 inch from the top with sterile, moist, seed-starting mix. Sprinkle the seeds on top of the medium and sow them at a depth that equals two to four times the diameter of the seeds.