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Pilea japonica

Growth Characteristics of Pilea japonica

Pilea japonica is a perennial herbaceous plant belonging to the Urticales family, native primarily to East Asia. It typically grows to a height of 20–30 cm. Its leaves are oval or heart-shaped with serrated margins. The leaves are green and have a relatively soft texture.

Propagation Methods

Pilea japonica can be propagated primarily by seed and cuttings. For seed propagation, seeds collected from mature plants are used. These seeds are sown in the spring, and germination is relatively easy. Cuttings are possible in spring and summer; simply cut a healthy stem and plant it in moist potting soil.

Cultivation Methods
 - Soil: It thrives in well-drained soil and prefers soil rich in organic matter.
 - Light: Pilea japonica grows well in partial shade, but strong direct sunlight should be avoided. Indoors, it is best placed in a location receiving bright indirect light. 3. Temperature: The optimal growing temperature is 15–25°C, and frost should be avoided during the winter.
 - Watering: Water thoroughly when the soil is dry, and avoid overwatering.
 - Fertilization: During the growing season in spring and summer, apply liquid fertilizer about once a month.

Uses in the Garden
The Sanmotong is suitable for garden areas that require shade. Its low stature and abundant foliage make it excellent for use as ground cover, and it is also useful for decorating rock gardens or borders. It is also widely used as an indoor potted plant.

Important Pests and Control Methods - Diseases: Root rot can occur due to overwatering. To prevent this, use well-draining soil and regulate watering.
 - Pests: Spider mites and scale insects may occur; they suck the plant's sap and damage the leaves. For pest control, periodically inspect the plants and physically remove them using a loofah or apply fungicides of the prescribed concentration.

The Sanmul-tong-i is a relatively easy plant to manage and can grow healthily as long as basic cultivation conditions are met.

Plant Type
Plant Family	Nettle family
Height	10∼20cm
Spread
Colors	green
Bloom Period	September to October
Water Needs	commonly
Exposure	shade
Freezing Resistance	-15°C

three-leaved grass
Achlys japonica

Ox knee
Achyranthes bidentata var. japonica