How to Care for Mexican Sunflower

Mexican sunflower thrives with only minimal care. image by Carl E Lewis/


Mexican sunflower is a flowering perennial native to Central America. It's commonly grown as an annual in the United States and other temperate regions, as it cannot survive the cold winters. Mexican sunflowers produce blossoms during summer that can be orange, red or yellow in color. They perform well in times of extreme heat and drought, and require very little care to flourish.

Step 1

Sow Mexican sunflower seeds in the early spring after the final frost of winter. Choose a location that receives full sunlight and has soil that is well-drained, yet low in fertility. Mexican sunflowers cannot thrive in overly rich soils.

Step 2

Water Mexican sunflower seeds twice a day until germination occurs and seedlings emerge from the soil. Reduce watering to once a week, and only on weeks that don't receive at least 1 inch of rainfall.

Step 3

Feed Mexican sunflower using a balanced 10-10-10 NPK fertilizer immediately after planting to provide the nutrients required for initial growth. Fertilize again in July to encourage the plant to produce more flowers. Always follow the manufacturer's instructions for proper dosage and application of fertilizer.

Step 4

Remove dead or spent flowers as soon as possible to prevent Mexican sunflower plants from producing seeds. This will also encourage the plant to produce more blossoms in an attempt to propagate itself.

Things You'll Need

  • Fertilizer


  • Garden Flower Dictionary: Mexican Sunflowers
  • Book: Indiana Gardener's Guide; Jo Ellen Meyers Sharp and Tom Tyler; 2004
  • Book: Annuals for Every Purpose; Larry Hodgson; 2002
Keywords: Mexican sunflower, Mexican sunflower seeds, Mexican sunflower plants

About this Author

Willow Sidhe is a freelance writer living in the beautiful Hot Springs, AR. She is a certified aromatherapist with a background in herbalism. She has extensive experience gardening, with a specialty in indoor plants and herbs. Sidhe's work has been published on numerous Web sites, including

Photo by: Carl E Lewis/