Marigold Plant. Water during dry spells, remove dead heads to extend flowering, and feed if grown in pots. Pot marigold is a medicinal herb, known for its multitude of health benefits and healing properties.
Here is how you can care for marigold plants in. Marigold, (genus tagetes ), genus of about 50 species of annual herbs of the aster family ( asteraceae ), native to southwestern north america, tropical america, and south america. Pot marigold is a medicinal herb, known for its multitude of health benefits and healing properties.