The McAllen Foreign-Trade Zone (FTZ) is located south of McAllen between McAllen and Reynosa. Commissioned in 1973, it was the first inland foreign trade zone in the United States and continuously ranks among the most active FTZs in the nation.
Marigolds take around 45 to 50 days to flower after you plant seeds, so seeds sown in early April should flower by May.
Planting Plan. Choose a sunny location for fastest flowering; marigolds do fine in up to 20 percent shade, but take longer to bloom. Use a small garden rake to break up soil, and remove any weeds or rocks. Place seeds 6 inches apart.