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Long Steelis
Osmorhiza longistylis
Osmorhiza longistylis is a perennial plant primarily distributed in North America that thrives in moist soil in shady or semi-shady areas. Growth CharacteristicsOsmorhiza longistylis typically grows to a height of 30 to 100 cm, and its leaves are deeply lobed in a feather-like pattern. Small white flowers bloom in an umbrella shape, usually appearing from late spring to early summer. This plant possesses cotyledons and roots with a mild fragrance and is often used for medicinal purposes. Propagation MethodsOsmorhiza longistylis propagates by seeds. The seeds mature in the autumn and germinate after falling naturally. If seeds are collected and planted artificially, refrigerated storage for 3 to 4 months followed by sowing in the spring results in a high germination rate. Cultivation MethodsSince Osmorhiza longistylis prefers shady or semi-shady areas, it is best to plant it under trees or in shaded spots in the garden. It thrives in humus-rich soil that retains moisture and requires care in well-drained soil. Water occasionally to prevent the soil from drying out. Uses in the GardenLong-leaved Saturni is primarily used as an understory plant in shaded gardens, contributing to the creation of a natural landscape. Its feather-shaped leaves and white flowers also serve as decorative elements. It also holds value as a medicinal plant, making it suitable for herb gardens. Important Pests and Control MethodsLong-leaved Saturni is generally resistant to pests and diseases, but problems such as root rot or leaf blight may occur under excessively wet conditions. For control, it is important to maintain proper soil drainage and ventilation. Diseased parts should be removed immediately to prevent spread. While pests are generally not a major concern, eco-friendly insecticides can be used in cases of sensitivity. Considering these characteristics, long-leaved Saturni is one of the ideal plants for creating a natural garden.
Plant Type
Plant Family
Apiaceae
Height
60~90cm
Spread
60~90cm
Colors
white
Bloom Period
April~May
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-30°C
long casualties
Osmorhiza aristata
critical point
Osmunda japonica