Eryngium 
Flora Frost Eryngium alpinum 'Blue Star'
| Leaf tip | Aculeate |
| Leaf type | Foliage leaf |
| Winter hardness | Good (USDA-zone 5, 6) |
| Flower color | Purple-dark blue violet-090A; Purple |
| Leaf, general shape | Ovate (egg-shaped) |
| Plant height | 60 - 70 cm |
| Structure (tissues) | Herbaceous |
| Light conditions | Sunny |
| Plant, growth type | Erect |
| Leaf colour, pattern | Multi-colored |
| Moisture requirements | Well-drained |
Eryngium alpinum 'Blue Star' is a stunning perennial plant commonly known as Sea Holly. This exquisite plant is characterized by its aculeate leaf tips, foliage leaf type, and good winter hardiness in USDA-zones 5 and 6.
One of the most striking features of Eryngium alpinum 'Blue Star' is its flower color. The flowers bloom in a mesmerizing shade of purple-dark blue violet, adding a touch of elegance to any garden or landscape. The flower color can also be described simply as purple. These beautiful blooms are sure to catch the eye and attract pollinators such as bees and butterflies.
The leaves of Eryngium alpinum 'Blue Star' are ovate or egg-shaped, giving the plant a unique and interesting foliage. The plant can reach a height of 60-70 cm, making it a great addition to the middle or back of a garden bed.
This Sea Holly has a herbaceous structure, meaning it has soft, non-woody tissues. This characteristic makes it easier to care for and maintain. Eryngium alpinum 'Blue Star' thrives in sunny light conditions, so make sure to place it in an area where it can receive plenty of direct sunlight.
The leaves of this plant are also multi-colored, adding even more visual interest to its overall appearance. The combination of different shades and patterns on the leaves creates an eye-catching display that will surely impress any gardener or plant enthusiast.
When it comes to moisture requirements, Eryngium alpinum 'Blue Star' prefers well-drained soil. It is important to ensure that the plant is not sitting in waterlogged soil, as this can lead to root rot and other issues. Regular watering is necessary, especially during dry periods, but be careful not to overwater.
Overall, Eryngium alpinum 'Blue Star' is a stunning plant that can bring a touch of beauty and elegance to any garden. With its aculeate leaf tips, foliage leaf type, and beautiful purple-dark blue violet flowers, it is sure to be a standout feature in any landscape. Its herbaceous structure, sunny light conditions preference, and multi-colored leaves make it a relatively easy plant to care for. Just remember to provide well-drained soil and regular watering, and this Sea Holly will thrive and add a touch of unique charm to your outdoor space.
Market availability index by month:
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| 4 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |