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.
How to Grow Marigold Plants, Growing Marigolds. Marigold plants are a very prolific, easy to grow annual flower. Kids love 'em and adults love 'em. Marigold flowers are available in a variety of colors, including white, yellow, orange, red and mixed colors. Marigold Flowers will bloom from mid-summer all the way until frost.