Eryngium alpinum 'Blue Star'

No, Eryngium alpinum 'Blue Star' is not evergreen. This plant loses its leaves in the winter and comes back in the spring. It is a hardy garden plant.

The plant is hardy up to about -15 degrees Celsius. It is recommended to protect the plant from severe frost. It is a popular garden plant because of its beautiful blue flowers.

Eryngium alpinum 'Blue Star' is generally easy to maintain. It is a resilient plant that is resistant to drought and requires minimal upkeep. Ensure it is placed in a sunny spot with well-draining soil.

For this plant, it is advisable to keep about 30 cm of space between other plants. Ensure that the plant receives enough light and air. Take into account the height and width of the mature plant when determining the planting distance.

This plant grows best in full sun or partial shade. In the shade, the growth will be slower and less full. It is therefore advisable to plant this plant in a sunny spot for optimal growth.

The Eryngium alpinum 'Blue Star' needs water on average 1-2 times a week, depending on weather conditions and soil moisture. It is important to keep the soil lightly moist, but not waterlogged. During the winter period, the plant may need less water.

Yes, Eryngium alpinum 'Blue Star' is attractive to butterflies and bees because of the nectar-rich flowers it produces. This plant can help in attracting these beneficial pollinators to your garden. It is a beautiful addition to a butterfly garden or bee-friendly garden.

The plant blooms in the summer months, usually from June to August. The flowering period lasts an average of 4 to 6 weeks.

Yes, this plant can withstand full sun and thrives best in a sunny location. It is important to give the plant sufficient water during hot, dry periods. Plants that enjoy full sun generally need at least 6 hours of direct sunlight per day.

No, Eryngium alpinum 'Blue Star' is not edible and is generally only used for decorative purposes in the garden. It is not recommended to consume this plant.

The plant can be pruned in spring to maintain its shape and size. Remove dead or damaged stems and flowers to promote growth. Prune just above a new leaf or healthy bud for the best results.

Water this plant regularly, especially during dry periods. Ensure that the soil remains moist, but not too soggy. Drainage is important to prevent root rot.

The plant needs well-draining potting soil with average fertility. Make sure the potting soil does not get too wet, as this can lead to root rot. A slightly acidic to neutral pH value in the potting soil is ideal for this plant.

The garden plant Eryngium alpinum 'Blue Star' thrives best in well-draining and nutritious soil. It is important that the soil is not too damp to prevent root rot. A neutral to slightly acidic soil is ideal for this plant.

The plant prefers a sunny location and thrives well in well-drained soil. It is important that the plant is not left in a wet spot for too long, as this can damage the roots. The plant can grow well in borders or rock gardens.

In winter, it can be useful to protect garden plants from frost by applying mulch or leaves around the base. Additionally, a protective cloth or mesh can be placed over the plant to prevent cold wind from damaging the leaves. Ensure that the soil is well-drained to prevent waterlogging, which can lead to root rot.

The plant requires little maintenance and thrives best in a sunny location. Make sure the soil is well-draining and water moderately. Remove faded flowers to promote blooming.

Plants like these need a nutrient-rich soil to grow well. It is recommended to add organic fertilizers in the spring. Make sure not to over-fertilize the plant to prevent damage.

Mulch the soil around this plant to retain moisture and reduce weed growth. Use organic mulch such as leaves or wood chips. Make sure the mulch layer does not touch the plant stems to prevent mold formation.

This plant prefers a neutral to slightly acidic soil with a pH between 6.0 and 7.5. It is important to regularly check the soil pH and adjust it if necessary with lime or sulfur. A good soil pH ensures healthy growth and flowering of the plant.

To prevent pests on this plant, it is important to regularly inspect the leaves and stems for any infestations. Using natural pesticides such as neem oil can help in controlling pests. Additionally, manually removing pests can be effective in keeping the plant healthy.