Today the McAllenâEdinburgâMission metropolitan area is one of the fastest growing metropolitan areas in the United States, The introduction of the maquiladora economy and the North American Free Trade Association led to a boom in international trade, cross-border commerce with Mexico, and health care.
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.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.or germination within about five to 10 days, start the seeds indoors six weeks before the last spring frost and expose them to ideal conditions. 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.
Marigold Life Span. Marigolds are annuals, returning to seed at the end of the growing season when temperatures begin to dip. Often, the seeds left behind will begin to grow again the next season, making the flower appear to be perennial, but there is no guarantee this will happen.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.