firefly water parsley

Pternopetalum tanakae

Pternopetalum tanakae is a perennial plant that grows primarily in mountainous regions of Korea and Japan. It thrives in shady, humid environments and exhibits particularly good growth in fertile soil found in mountainous areas.

Growth Characteristics:
Pternopetalum tanakae grows to a height of approximately 30 to 60 cm and creates a beautiful spectacle with its small white flowers. It mainly blooms during the summer, and in autumn, its leaves possess a unique, crisp texture.

Propagation Methods:
Propagation is primarily achieved through seeds or root division. Seed propagation requires sowing at the appropriate time, while root division is best performed in early spring or autumn.

Cultivation Methods:
It prefers well-drained yet slightly moist soil. Since it grows well in shade or partial shade, areas under trees or in the shade of buildings are more suitable than locations exposed to direct sunlight. The ideal soil condition is fertile and rich in organic matter. Garden Use:

Bandimari Tanakai is highly ornamental for both its leaves and flowers, making it suitable as a ground cover plant for gardens or flowerbeds. It can also be used for planting along forest edges to preserve a natural appearance.

Important Pests and Control Methods:

While it is generally resistant to pests and diseases, root rot may occur in overly wet environments. Therefore, it is important to avoid overwatering and maintain a soil environment with good aeration and drainage. Use general garden pest management methods and apply control measures as necessary.

Plant Type
Plant Family	Apiaceae
Height	10∼25cm
Spread
Colors	white
Bloom Period	June–July
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-10°C

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