How to plant and cultivate a coreopsis?

How to plant and cultivate a coreopsis?

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The characteristics of coreopsis

  • Type: flower and flowering plant
  • Height: from 20 to 50 cm
  • Flower colors: red, yellow, orange, brown
  • Desired exposure: sunny
  • Type of soil: well drained, fresh
  • Foliage: persistent
  • Interview: moderate watering
  • sanitizer: Yes
  • variety: Coreopsis "grandiflora", Coreopsis "tinctoria", Coreopsis "Midget"…

Origins and peculiarities of coreopsis

Native to North America, coreopsis are perennial plant belonging to the Asteraceae family, also known as "Girl's eye ", and of which there are currently over a hundred species.

They are cultivated mainly for their beautiful decorative effect, whether in beds and borders in the garden, but also in tubs or planters on terraces or balconies; the coropsis indeed produce beautiful bright yellow flowers which hide a remarkable purple-colored heart.
But with all the varieties that have been created for more than 20 years, today there are coreopsis with red, pink, orange, or even white flowers… for beautiful and colorful bouquets!

Plantation of coreopsis

Coreopsis are ideally planted in spring or fall, always outside of frost periods. In beds, in pots or in planters, these plants appreciate fertile and well-drained soils, but they can be content with ordinary, poor, rocky or slightly sandy soil.

Coreopsis need to be planted in full sun to develop. This precaution will guarantee an important flowering throughout the summer season (the coropsis are indeed annual plants which bloom abundantly from the end of spring to the beginning of autumn). Coreopsis show good resistance to cold: they can therefore stay in place in winter in the garden.

Care of coreopsis

The coropsis is a plant that does not require enormous maintenance. To make it flourish in your garden or on your balcony, just be sure to:

  • Remove faded flowers regularly to allow the new flower buds to flourish.
  • Stake large stems to prevent them from bending in windy conditions.
  • Water them weekly in case of summer dryness.
  • Mulch between the coropsis feet to keep the soil cool.
  • Good to know: due to the low maintenance they require, the coropsis are ideal flowers for the gardens of second homes.

Coreopsis Diseases

Although quite resistant, the coropsis knows several enemies in the gardens. Especially snails and slugs, who love to nibble on its leaves ...
To fight against their invasion, a cord of chimney ash placed around the plant can be enough to repel them. This ecological solution must be renewed after each rain. Otherwise, the beer traps, the mulching of pine needles and the eggshell barriers are always formidable against these leaf eaters!

Another known enemy of the coreopsis which does not however cause too severe damage to the plant: the foamy leafhopper, a small insect quite similar to the cicada, and which has the annoying habit of depositing on the leaves of the coreopsis a species of moss in which its larva develops. To remove it, you can either clean your plants with a sufficiently powerful water jet, or use fern manure.