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Sudulch
Saussurea grandifolia
The following is information regarding Saussurea grandifolia: Growth Characteristics: Saussurea grandifolia is a perennial herbaceous plant that grows primarily in the alpine regions of Korea. It is characterized by thick roots or stems, large leaves, and showy flowers. It generally thrives in cool climates and well-drained soil. Propagation Methods: It is mainly propagated by seeds or division. Seeds should be sown immediately after maturation for a high germination rate, and spring and autumn are the appropriate seasons for propagation. Division involves dividing the entire plant and planting it in spring or autumn. Cultivation Methods: It is best to cultivate it in a well-drained location in full sun or partial shade. Use fertile soil rich in humus, and proper moisture management is required. Mulching is recommended during the winter to protect the roots. Garden Uses: Due to its size and beautiful appearance, Saussurea grandifolia is often used as a centerpiece in gardens. It is also perfectly suited for creating alpine gardens or nature-style gardens. Important Pests and Control Methods: While generally resistant to pests, you should be cautious of powdery mildew and aphids in severe cases. Powdery mildew can be controlled preventively through periodic pruning and proper ventilation. Aphids can be removed by hand if detected early by frequently inspecting the plant, or by using eco-friendly insecticides if necessary. Additionally, it is important to keep the area around the plant clean to prevent pest infestations. Based on this information, you can effectively cultivate and manage Suthert's grandifolia.
Plant Type
Plant Family
Asteraceae
Height
30~50cm
Spread
Colors
purple
Bloom Period
July to October
Water Needs
commonly
Exposure
semi-shaded area
Freezing Resistance
-30°C
large-flowered aster
Saussurea japonica
Silverweed
Saussurea gracilis