How to Care for Eryngium planum (Flat Sea Holly)

Korean name: 에린지움

This ornamental herb is characterized by its blue thistle-like flowers. It is mainly used as cut flowers or dried flowers in floral arrangements. It is drought tolerant and grows well in garden beds or pots.

Key facts

• Category: Flowering plant
• Difficulty: Moderate
• Where to keep: indoors or outdoors
• Native to: Europe
• Growth rate: Moderate
• Pets: Mildly toxic, so keep pets from chewing on it.
• Traits: cut flower, dried flower, drought tolerant, ornamental, flower
• Also known as: Flat Sea Holly, Blue Eryngo, Sea Holly

Care Guide

• Light: Place in a spot with full sunlight.
• Watering: Water thoroughly when the soil feels dry.
• Soil: Prefers well-drained neutral soil.
• Humidity: Suitable for normal indoor humidity.
• Temperature: 15~25°C
• Fertilizer: Apply diluted liquid fertilizer once a month during the growing season.

Common questions

How often should you water Eryngium planum?

Water thoroughly when the soil feels dry. Roughly every 7 days is the baseline; adjust for the season and the spot it sits in.

Where should you keep Eryngium planum?

It likes Place in a spot with full sunlight.. You can grow it indoors or outdoors. Use Prefers well-drained neutral soil..

Is Eryngium planum safe around pets?

Mildly toxic, so keep pets from chewing on it.

Is Eryngium planum good for beginners?

Difficulty: Moderate. Keep it around 15~25°C. Humidity: Suitable for normal indoor humidity.. Fertilise Apply diluted liquid fertilizer once a month during the growing season..