African Marigold Care: How To Grow African Marigolds

By Darcy Larum, Landscape Designer

“The marigold abroad her leaves doth spread, because the sun and her power is the same,” wrote poet Henry Constable in a 1592 sonnet. The marigold has long been associated with the sun. African marigolds (Tagetes erecta), which are actually native to Mexico and Central America, were sacred to the Aztecs, who used them as a medicine and as a ceremonial offering to the sun gods. Marigolds are still called the herb of the sun because of this. In Mexico, African marigolds are a traditional flower placed on altars on The Day of the Dead. Continue reading for more African marigold information.

African Marigold Information

Also called American marigolds or Aztec marigolds, African marigolds are annuals that bloom from early summer until frost. African marigolds are taller and more tolerant of hot, dry conditions than French marigolds. They also have larger flowers that can be up to 6 inches in diameter. If deadheaded regularly, African marigold plants will usually produce many large blooms. They grow best in full sun and actually seem to prefer poor soil.

Growing African marigolds or French marigolds around vegetable gardens to repel harmful insects, rabbits and deer is a gardening habit that goes back for centuries. The scent of marigolds is said to deter these pests. Marigold roots also emit a substance that is toxic to harmful root nematodes. This toxin can stay in the soil for a few years.

Be careful when handling marigolds because some people can get skin irritations from the plant’s oils. While marigolds deter pests, they attract bees, butterflies and ladybugs to the garden.

How to Grow African Marigolds

African marigold plants propagate easily from seed started indoors 4-6 weeks before last frost date or sown directly in the garden after all danger of frost has passed. Seeds usually germinate in 4-14 days.

African marigold plants can also be purchased at most garden centers in the spring. When planting or transplanting African marigold plants, be sure to plant them slightly deeper than they were originally growing. This helps them stabilize to support their heavy flower tops. Tall varieties may need to be staked for support.

Some popular African marigold varieties are:

  • Jubilee
  • Gold Coin
  • Safari
  • Galore
  • Inca
  • Antigua
  • Crush
  • Aurora

More Information about Marigold
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