Gamjeoldae

Reynoutria forbesii

Growth Characteristics

This is a perennial herbaceous plant that thrives in humid environments and typically grows to a height of 1 to 3 meters. The stems are thick and straight, and the leaves are broad and oval-shaped. Small, pale white or light purple flowers bloom in the autumn.

Propagation Methods

It is primarily propagated via rhizomes. This plant has strong reproductive capabilities, so it can be easily propagated by planting just a portion of the root. It can also be propagated by stem cuttings.

Cultivation Methods

It grows best in well-drained, moist soil. It thrives in both sunny and partial shade locations and is not particularly sensitive to soil conditions. Spring or autumn is the appropriate time for planting, and it requires sufficient watering.

Uses in Gardens

In gardens, it is mainly planted for ornamental purposes. Because it grows quickly and fills space, it is also useful for green screens. However, due to its strong reproductive capacity, proper management of propagation in the garden is necessary. Major Pests and Control Methods

While generally resistant to pests, the plant may occasionally be damaged by aphids or leaf miners. In such cases, it is recommended to use appropriate pesticides or to cut off and remove the affected parts. For eco-friendly control, natural insecticides or pyrisol soap can be used. Natural methods include setting up sticky traps or utilizing natural predators to control pests.

Plant Family	Knotweed family
Height	1~2.5m
Colors	White, green
Bloom Period	July to September
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Samdo Hasuo
Fallopia koreana

Paluzia Paradoxa
Fallugia paradoxa