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You are here: Home / Flowers / Growing Flowers / How to Grow Marigolds

How to Grow Marigolds

4 Comments

Growing Marigolds

By Julie Christensen

Marigolds, like lilacs and peonies, are old-fashioned flowers that have been grown for hundreds of years in home gardens. This longevity speaks to their beauty and ease of use. Native to Mexico, marigolds are annual flowers in most parts of the U.S., although they may reseed if left to their own devices.

Marigolds have an upright form and produce multi-petaled flowers from early summer to fall. The flowers typically appear in shades of yellow, orange and red. Although you can find some hybrid forms, the two species most available are African and French marigolds.

African marigolds (Tagetes erecta) grow up to 3 feet tall with blooms up to 5 inches across. These plants are ideal for the back of a flower bed combined with coreopsis, coneflower and other tall perennials and annuals.

French marigolds (Tagetes patula) are smaller plants with a bushy, mounded form. Their flowers are typically 2 to 3 inches across. French marigolds rarely grow more than 12 inches tall and most remain under 8 inches. French marigolds seem to tolerate a wider range of conditions than African marigolds and hold up well to heavy rains.

Planting and Caring for Marigolds

You’ll find trays and trays of marigolds at any nursery in late spring, but you can start the plants at home too. Plant marigold seeds outdoors in late spring after the first frost, covering them with just a sprinkling of soil. Another option is to start the seeds indoors 8 to 10 weeks before the last expected frost. Fill a seed-starting tray with potting mix and sprinkle the marigold seed over the soil. Cover the seeds with a sprinkling of soil and keep the seed tray moist. Place it in a warm location, such as on top of the refrigerator. Once the seedlings emerge, thin them to 2 inches apart. Move the plants to a sunny area and continue to water them.

Plant marigold transplants outdoors after the last expected frost. Choose an area that gets at least 6 to 8 hours of sunlight daily and space the transplants 6 to 8 inches apart. Marigolds aren’t particularly fussy about soil, although the soil does need to drain well.

Fertilize the plants every 3 weeks with a dilute balanced solution. Water marigolds at least once each week during dry weather so the soil stays slightly moist, but not wet. Pinch off faded blossoms to keep the plants looking their best and shear the plants back mid-summer if they begin to look straggly. Stake tall varieties to keep them from toppling in wind and rain.

Marigold flowers

Potential Pests and Problems

Marigolds are generally pest and disease free, blooming with little maintenance the whole summer. Grasshoppers may cause damage in large numbers, and contrary to popular belief, the plants are not officially deer or rabbit resistant, in spite of their pungent fragrance. See the article below on using marigolds for pest control. Here’s more information on companion planting with marigolds.

Varieties Worth Trying

  • ‘Bonanza’ Series: French marigolds with flowers in several colors on each plant.
  • ‘Queen’ Series: Tall French marigolds with camellia-like blooms.
  • ‘French Vanilla: An African variety that grows 3 feet tall with creamy blooms. Almost no scent.

To learn more about growing marigolds, visit the following links:

Marigolds and Nematode Management from Arizona Cooperative Extension

Marigold from Clemson University Cooperative Extension

four marigold varieties with text overlay how to grow marigolds selecting varieties for the home garden

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Filed Under: Growing Flowers, Marigolds Tagged With: grow marigolds, growing marigold flowers, growing marigolds, how to grow marigolds, marigold flowers, marigolds, plant marigolds

Comments

  1. Anthony says

    February 25, 2016 at 8:17 am

    Plant in the spring after the ‘first’ frost?

    Reply
  2. Ryan says

    May 27, 2017 at 2:29 am

    As easy as they are to grow mine are still getting damaged by something. I’m almost certain it’s leaf hoppers or white fly. Any hints? I tried white oil on one but it absolutely destroyed the plant.

    Reply
  3. e says

    June 14, 2017 at 1:39 pm

    the swollen part right underneath the flower, has the seeds, in most varieties. When the flower turns brown at the end of the summer, I take those seed pods and I stick them in the ground or in pots, and they automatically come up the coming spring. If I want to move them around, I just gently pull them up and put them where I want. its quite easy.

    Reply
  4. Neelum says

    February 10, 2018 at 10:10 pm

    I love Marigold. It has wide range of varieties.

    Reply

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