Dog fern 'Metalicum'

Athyrium niponicum var. pictu 'Metallicum'

Growth Characteristics

Polygonum metallicum is a perennial plant that thrives primarily in shade. This plant is characterized by its unique silver and purple leaves and prefers moist, well-drained soil. It reaches a maximum height of approximately 30–45 cm and can grow up to about 60 cm in width.

Propagation Methods

Propagation is mainly achieved by spores or division. Spores form on the back of mature leaves and can be collected and sown like seeds. Division is a method of evenly dividing and planting the plant in spring or early summer, allowing for rapid multiplication into multiple individuals.

Cultivation Methods
- Soil: Moist, well-drained, acidic soil is ideal.
- Light: It grows well in partial to complete shade. It is best to avoid direct sunlight.
- Watering: Consistent watering is required to prevent the soil from drying out.
- Fertilizer: Lightly sprinkling organic fertilizer in the spring helps with growth. Garden Use

The Metallicum fern is primarily used as an ornamental plant in shaded gardens. Its unique color creates an attractive atmosphere by contrasting with common green plants. It is best placed alongside ferns or shade plants.

Important Pests and Control Methods
- Diseases: Leaf blight is a common problem. To prevent this, periodic ventilation improvement and drainage management are important.
- Pests: While generally resistant to pests, slugs may occur. To remove slugs, you can pick them up by hand at night or use lures.
- Control Methods: Environmentally friendly methods include utilizing natural predators or spraying vinegar instead of pesticides.

Plant Type
Plant Family	The audience and
Height	30~60cm
Spread	30~60cm
Colors	sporophyte
Bloom Period	April to August (spore period)
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-30°C

Dog fern 'white lace'
Athyrium niponicum var. pictum 'Pewter Lace'

Wild fern 'Burgundy Lace'
Athyrium niponicum var. pictum 'Burgundy Lace'