How to Care for Cirsium japonicum var. maackii (Japanese thistle)

Korean name: 엉겅퀴

Japanese thistle is a perennial herb from the daisy family, characterized by tall growth and sharp spines. Its deeply lobed leaves spread outward, and it blooms purple flowers from summer to fall. It typically grows wild and prefers well-drained soil, with relatively easy care.

Key facts

• Category: Wildflower & native plant
• Difficulty: Moderate
• Where to keep: outdoors
• Native to: Korea, China, Japan
• Growth rate: Moderate
• Pets: Mildly toxic, so keep pets from chewing on it.
• Traits: wildflower, hardy, native plant, medium growth rate
• Also known as: Japanese thistle, Maack's thistle

Care Guide

• Light: Prefers full sunlight.
• Watering: Water thoroughly when the soil dries out.
• Soil: Use well-draining soil.
• Humidity: Maintain moderate humidity.
• Temperature: 15–25°C
• Fertilizer: Apply mild liquid fertilizer once a month during the growing season.

Common questions

How often should you water Cirsium japonicum var. maackii?

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

Where should you keep Cirsium japonicum var. maackii?

It likes Prefers full sunlight.. You can grow it outdoors. Use Use well-draining soil..

Is Cirsium japonicum var. maackii safe around pets?

Mildly toxic, so keep pets from chewing on it.

Is Cirsium japonicum var. maackii good for beginners?

Difficulty: Moderate. Keep it around 15–25°C. Humidity: Maintain moderate humidity.. Fertilise Apply mild liquid fertilizer once a month during the growing season..