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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.