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.
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.arigolds are a good choice for clay soils. If the leaves and plant look fairly normal (not dried out or filled with holes, etc), there are a few reasons why your marigold lacks good blooms: High summer heat, too much fertilizer, or a plant bug. For heat, you can mulch and wait for temps to moderate.