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Are cosmos native to Michigan?

Author

Sarah Smith

Published Jan 20, 2026

Both of our species are Mexican natives familiar in cultivation and occasionally escaped. They are annuals with deeply pinnatisect leaves, the segments narrowly lanceolate to filiform, and with very showy heads. Most cultivated plants may lack the pappus awns normally characteristic of the genus.

Are cosmos native to North America?

Cosmos species are native to scrub and meadowland in Mexico where most of the species occur. In the United States, some varieties may be found as far north as the Olympic Peninsula in Washington, but the range also extends through Central America to South America as far south as Paraguay.

Is cosmos an invasive species?

This plant was declared invasive by the United States Southeast Exotic Pest Plant Council in 1996. The flowers of all Cosmos attract birds and butterflies, including the monarch butterfly.

Where are garden cosmos native to?

Garden cosmos is native to Mexico and the southwestern United States. It is an extremely popular garden ornamental, and has escaped cultivation and become naturalized in many other areas.

Are cosmos perennials in Michigan?

Most cosmos reseed themselves but not always reliably or true to the variety. The common cosmos in Michigan is an annual, so the best way to have nice plants that are the color and height you want is to sow new seeds each spring when the ground has warmed to 70 to 80 degrees.

16 related questions found

What flowers bloom in April in Michigan?

With two weeks of lovely summer-like weather spring blooms showed up early and are continuing to add color to Michigan gardens.

  • Crocus.
  • Daffodils.
  • Hyacinth.
  • Tulips.
  • Snowdrops.

Are marigolds and cosmos related?

Cosmos is a member of the Compositae or Asteraceae family, just like their 'cousins': sunflowers, marigolds, yarrow, daisies, zinnias, lettuce and dandelions.

Is cosmos part of the daisy family?

Cosmos bipinnatus, commonly called the garden cosmos or Mexican aster, is a medium-sized flowering herbaceous plant in the daisy family Asteraceae, native to the Americas.

Is coreopsis and Cosmos the same?

No, they are not the same flower, although they might be related.

Are cosmos flowers invasive?

Cosmos bipinnatus (Garden Cosmos) is listed in the Invasive Plant Atlas of the United States. According to the U.S Forest Service, Invasive species have contributed to the decline of 42% of U.S. endangered and threatened species, and for 18% of U.S. endangered or threatened species.

Are cosmos native to Illinois?

While Common Cosmos occasionally reseeds itself, it has not been invasive in Illinois. It is easy to identify in the wild because nothing else closely resembles it, except other non-native Cosmos spp., that so far have not escaped from cultivation within the state.

Are cosmos native to Virginia?

Naturalized in Virginia – keep away from natural areas. Cosmos sulphureus Cosmos Full sun; tolerant of dry sites. Reseeds readily (can direct seed); half hardy. Loved by rabbits & deer.

Is cosmos self seeding?

Cosmos plants readily self-seed. It's best to propagate these plants after the threat of frost is gone. Although sowing seeds is the best and easiest way to propagate this plant, you can also propagate via stem cutting. When you take stem trimmings, it stimulates more leaf and flower growth.

Is coreopsis in the aster family?

ORNAMENTALS. These popular flowers can be found in gardens all over the world. Popular members include: New England Aster, Echinacea, Rudbeckia, Cosmos, Daisy, Fleabane, Dahlia, Coreopsis, Liatris, Blanket Flower, Fleabane, Zinnia, Chrysanthemum, Oxeye daisy and Yarrow.

Is a daisy An aster?

Daisies are part of the Asteraceae family of flowers, which includes over 32,000 species. They are also referred to as “aster flowers” or “asters.” Because they are part of the same family, this post will include both daisy and aster flower symbolism and meanings, and I'll use the two terms interchangeably.

Are cosmos annual or perennial?

Cosmos is an herbaceous perennial plant and also an annual that will grow between 1 foot to 7 feet tall, depending on the species. Most home gardeners are familiar with the two annual species, which while not usually winter hardy, may readily self-seed during a mild season: Cosmos sulphureus (C.

Do bees like cosmos?

Cosmos. Cosmos are one of the best annual bedding plants for bees. They have a fabulous, simple, open flower that provides easy access to its nectar for all flying insects.

Do bees like cosmos flowers?

Cosmos are a favorite of honey bees and natives alike. They thrive in many regions and are among the easiest flowers to grow from seeds. Plus, they are generous re-seeders!

Is wild lupine native to Michigan?

It is not native to the United States and is found currently in staggering quantities across the state. Blue lupine is a native perennial, but requires very acidic soil to grow well. Native plants could be purchased as seeds, but are often purchased as small plants.

Are poppies native to Michigan?

Celandine poppy

This butter-colored beauty is Michigan's only native poppy. It is not very common (it is, in fact, on an endangered species list in Ontario) and in Michigan it is found mostly on the western edge of the Lower Peninsula.

Are sunflowers native to Michigan?

Helianthus divaricatus L. This is one of the species clearly native to Michigan. It does not occur very far west of the Great Lakes, except at latitudes much farther south. Typically in dry ± open forests and savannas of oak, pine, or aspen, especially at edges; fencerows, fields, roadsides, and railroads.