It stands 2 to 3 feet tall. Mexican sunflowers (Tithonia rotundifolia) are not true sunflowers, but they, too, perform well in pots. Terra cotta pots are generally the best choice. Unlike plastic ...

Any other types of waste plant material. Use of green manures such as tithonia (Mexican sunflower), glyricidia, leucaena, sesbania, crotalaria and lantana leaves increase the compost nitrogen content.