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Hypericum densiflorum 'Buttercup'
Hypericum densiflorum
'Buttercup'
Hypericum densiflorum 'Buttercup' is a shrub characterized by its showy yellow flowers and dense inflorescences. The following is information regarding this plant's growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases and control methods. Growth Characteristics - Height and Width: It grows to approximately 1 to 1.5 meters and spreads to a similar width. - Leaves: It has small, long oval leaves that are dark green. - Flowers: Yellow flowers bloom in the summer, and the dense inflorescences make them very showy. - Growing Environment: It exhibits optimal growth in sunny locations but can tolerate some shade. - Soil: It prefers well-drained soil, and a pH range of neutral to slightly acidic is suitable. Propagation Methods - Seed Propagation: It can be propagated using seeds, and germination rates are relatively high. Sow directly in the spring or germinate indoors and transplant. - Propagation by Cuttings: It can be propagated by cutting and planting a pile of semi-hardwood in spring or early summer. Cultivation Methods - Planting: Planting in early spring or autumn is ideal. Select a location with sufficient sunlight and good drainage. - Watering: Consistent watering is required during the initial establishment period, but it is relatively drought-tolerant thereafter. - Fertilization: It is recommended to apply an appropriate amount of balanced fertilizer in the spring during the growing season. Uses in the Garden - Ornamental: It is highly popular as an ornamental plant due to the characteristics of its showy flowers and leaves. - Border Plant: Suitable for use as a border or hedge plant. - Natural Garden: It is ideal for natural gardens as it attracts bees and butterflies. Important Pests and Control Methods - Control: While generally resistant to pests and diseases, leaf blight or insect damage may occasionally occur. This can be prevented through proper ventilation and humidity management. - Pest Control: It is recommended to use appropriate treatments if necessary. For example, if insects appear, you can use a soap solution or natural insecticides. - Regular care: It is important to periodically check the condition of the plants and respond immediately if diseases are detected.
Plant Family
Spindle family
Height
70~100cm
Spread
100~120cm
Colors
yellow
Bloom Period
June to September
Water Needs
commonly
Exposure
semi-shaded area
Freezing Resistance
-30°C
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