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Rehmannia elata
Rehmannia elata is a perennial herbaceous plant popular in gardens due to its showy flowers and excellent adaptability. The following outlines the growth characteristics, propagation methods, cultivation methods, garden uses, major pests and diseases, and control methods for Rehmannia elata. Growth Characteristics - Ecology: It is a perennial herbaceous plant that grows to a height of approximately 30–50 cm. - Leaves: Leaves sprout from the roots and are ovate or ovate-elliptical. - Flowers: They bloom from spring to early summer and display various colors depending on the species. - Environment: It prefers sunny locations and thrives in well-drained soil. Propagation Methods - Seeds: It can be propagated by seeds; sow them in the spring to establish themselves. - Division: It can be propagated by root division. Divide and plant the roots in the spring or autumn. Cultivation Methods - Soil Preparation: Prepare well-drained soil rich in organic matter. - Planting: Plant with sufficient spacing. Typically, a spacing of about 30 cm is sufficient. - Watering: Water moderately as needed, but be careful not to overwater. - Fertilization: Apply organic fertilizer in spring and autumn to promote growth. Uses in the Garden - Ornamental: Due to its showy flowers, it is suitable for decoration in flower beds, border stones, and pots. - Rock Garden: It can be planted between rocks to create a natural garden atmosphere. Important Pests and Diseases & Control Methods - Diseases: Root rot may occur in overly wet environments. Pay attention to drainage. - Pests: Aphids may occur, so use insecticides periodically and practice natural control. - Prevention: Manage the growing environment to ensure good ventilation and airflow to prevent pests and diseases. Rehmannia glutinosa elata is a good plant to grow in the garden because it is relatively easy to care for. It can grow healthily as long as you properly manage the pests and diseases that require special attention.
Plant Type
Plant Family
Orobanche
Height
60~120cm
Spread
30~90cm
Colors
pink
Bloom Period
May to August
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-15°C
Rehmannia glutinosa
Rehmannia glutinosa
King Tiger Jang-geun
Reynoutria sachalinensis