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Eryngium spinalba
Eryngium spinalba
Eryngium spinalba
Eryngium spinalba

Eryngium spinalba

TAXONOMY

FamilyApiaceae
GenusEryngium
Zone5

ABOUT

Eryngium spinalba, commonly known as Alpine Sea Holly, is a perennial plant in the Apiaceae family. It is native to the mountainous regions of Europe, particularly the Alps. The plant is known for its spiny, blue-green foliage and striking blue flowers. It thrives in temperate climates and has a dormancy period during the winter months.

ALSO KNOWN AS

Silver Sea Holly
Eryngium leucacanthum
Eryngium rigidum

OVERVIEW

WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Eryngium spinalba requires bright, direct sunlight for optimal growth. It prefers moderate temperatures and can tolerate a range of humidity levels. Water the plant when the soil is almost completely dry, and ensure good air circulation to prevent fungal diseases.
Soil
This plant prefers well-draining loamy soil with a slightly acidic to neutral pH. It can tolerate poor soil conditions but thrives best in moderately fertile soil. Ensure the soil dries out between waterings to prevent root rot.
Fertilizer
Use a balanced fertilizer with a nutrient composition of 5-10-10 during the growing season. Fertilize once a month to support healthy growth and flowering.
Repotting
Repot Eryngium spinalba every 2-3 years or when it outgrows its container. Choose a pot with good drainage and use a well-draining soil mix. Repot in early spring before the growing season begins.
Propagation
Propagate Eryngium spinalba through seeds or division. Sow seeds in early spring or divide mature plants in late spring. Ensure the soil is well-draining and keep the new plants in a bright, sunny location.
Pruning
Prune Eryngium spinalba in late winter or early spring to remove dead or damaged foliage. This encourages new growth and maintains the plant's shape. Regular pruning also helps prevent disease.
Toxicity
Eryngium spinalba is not known to be toxic to pets or humans. However, its spiny foliage can cause minor skin irritation, so handle with care.
Additional
Eryngium spinalba is a hardy plant that can tolerate a range of conditions. It is an excellent choice for rock gardens and borders, adding a unique architectural element to the landscape.
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How To Grow Eryngium spinalba | EarthOne