Contents
Description
Eryngium is a genus of over 200 species of flowering plants in the Apiaceae family. Commonly known as sea holly, these plants are native to Europe, Asia, and the Americas. They are known for their spiky blue or silver flowers that resemble thistles and their unique foliage that ranges from deep green to silvery blue. Eryngium plants can grow up to 3 feet tall and are perfect for adding texture and color to any garden.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Apiales |
| Family | Apiaceae |
| Genus | Eryngium |
Appearance
Eryngium plants have unique foliage that ranges from deep green to silvery blue. The leaves are usually spiny and can be up to 6 inches long. The flowers are spiky and range in color from blue to silver. They bloom in the summer and attract bees and butterflies to the garden. Eryngium plants can grow up to 3 feet tall and are perfect for adding texture and color to any garden.
Care Guide
When it comes to caring for Eryngium plants, they are relatively low maintenance. Here are some tips:
- Water: Eryngium plants prefer well-draining soil and do not like to be overwatered. Water deeply once a week during the summer months and less frequently in the winter.
- Fertilization: Eryngium plants do not require much fertilization. Apply a balanced fertilizer once in the spring.
- Soil: Eryngium plants prefer well-draining soil that is slightly alkaline. They do not like to be in waterlogged soil.
- Sunlight: Eryngium plants prefer full sun to partial shade. They will not bloom as well in shady conditions.
- Hardiness Zones: Eryngium plants are hardy in zones 4-9.
Common Pests & Diseases
Eryngium plants are relatively pest and disease resistant. However, they can be susceptible to root rot if they are overwatered. They may also attract aphids, which can be treated with insecticidal soap.
Habitat
Eryngium plants are native to Europe, Asia, and the Americas. They can be found in a variety of habitats, including meadows, grasslands, and rocky slopes. They prefer well-draining soil and full sun to partial shade.
Question and Answer
Q: Can Eryngium plants tolerate drought?
A: Yes, Eryngium plants are relatively drought tolerant once established.
Q: Can Eryngium plants be grown in containers?
A: Yes, Eryngium plants can be grown in containers as long as they have well-draining soil and are not overwatered.
Q: How often should Eryngium plants be fertilized?
A: Eryngium plants do not require much fertilization. Apply a balanced fertilizer once in the spring.
Q: Do Eryngium plants attract pollinators?
A: Yes, Eryngium plants attract bees and butterflies to the garden.
Related Plants
- Echinops
- Centaurea
- Cynara
- Agapanthus
References
- “Eryngium: Plant Care & Growing Guide.” Garden Design. Accessed October 29, 2021. https://www.gardendesign.com/plants/eryngium.html
- “Eryngium.” Missouri Botanical Garden. Accessed October 29, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=292908
- “Eryngium.” Royal Horticultural Society. Accessed October 29, 2021. https://www.rhs.org.uk/Plants/24644/Eryngium/Details
