Garden flowers

The blue thistle is not lacking in spice!


The blue thistle brings together a large number of perennial flowers, the flower of which, beautiful and original, does not lack spice!

In summary, what you need to know:

Last name : Eryngium planus or Echinops ritro
Family : Apiaceae
Type : Perennial

Height
: 30 to 80 cm
Exposure : Sunny
Ground : Ordinary, well drained

Foliage : Obsolete
Flowering : June to September

In the middle of a massif, it brings aesthetics and a very interesting wild side.

Planting blue thistle

Prefer a plantation in autumn with a mixture of garden soil and potting soil.

Purchased in a pot or in a bucket you will plant it without problem in spring or to beginning of summer.

  • Observe a spacing of approximately 30 cm between each foot
  • Prefer a sunny or partially shaded location

Pruning, caring for blue thistle

Very easy to care for, the blue thistle requires almost no care.

But since you are on the lookout for any advice regarding blue thistle, know that you can still remove the wilted flowers as you go and stake the larger varieties to prevent the stems from bending under the weight of flowers and / or wind.

  • Cut off the wilted flowers as you go and cut back as short as possible in the fall.
  • During the summer, it is important to water in case of prolonged drought

All you need to know about blue thistle

This perennial is characterized by its silvery blue color, its long stems and its thorny foliage that you will not want to rub ...

It has thorny ball-shaped inflorescences, which will open very well in a vase of water where they will give an original touch to your bouquets, especially in dried flowers.

Here are some interesting species:

  • Eryngium alpinum the Blue Thistle of the Alps,
  • Echinops ritro the most common blue thistle
  • Echinops ritro ‘Veitch’s blue” 80cm, deep blue
  • Eryngium bourgatii Gouan, the blue thistle of the Pyrenees

Besides its beautiful blue purple flowers, some species of blue thistle are also edible thanks to its roots and medicinal against rheumatism and kidney stones.

Smart tip about blue thistle

This plant requires a lot of water. To avoid overwatering, put a mulching in spring.

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