Hypericum Kalmianum Sunny Boulevard

Hypericum kalmianum Sunny Boulevard

Hypericum calmianum 'Sunny Bollevard' is an attractive shrub with the following characteristics:

Growth Characteristics
- Form and Size: This plant is a small, round shrub that generally grows to a height of 60 to 90 cm.
- Leaves and Flowers: The leaves are bluish-green and form an elongated oval shape. In summer, vivid yellow flowers bloom, brightening up the garden.
- Flowering Season: The main flowering season is summer, with flowers generally in full bloom between June and August.

Propagation Methods
- Seeds: Propagation by seeds is possible, but this method may not be practical due to low germination rates.
- Cuttings: It is common to propagate using semi-hard woody cuttings during the summer. Cut cuttings can be placed in water to encourage rooting or planted in a suitable substrate to induce rooting.

Cultivation Methods
- Soil: It thrives in well-drained soil, and sandy or gravelly soil is ideal. - Sunlight: It prefers locations with plenty of sunlight, but can also thrive in partial shade.
- Watering: It is resistant to drought, so moderate watering is recommended. Additional watering may be necessary during severe droughts.

Garden Uses
- Landscape Creation: It can be utilized in various garden designs, such as flowerbed edges, borders, and rock gardens.
- Attracting Bees and Butterflies: The flowers produce abundant nectar, which is effective in attracting bees and butterflies.

Important Pests and Control Methods
- Diseases: While generally resistant to disease, excessive moisture can cause root rot. Proper drainage management is crucial.
- Pests: Although rare, it can be damaged by leaf-eating insects. Regular inspections are essential for early detection and control.
- Control: Rather than chemical control, it is important to prevent natural disturbances and create an appropriate environment using methods such as pigeon vaccines when diseases occur.

With these characteristics, Hypericum calmianum 'Sunny Bollevard' is a relatively easy-to-manage species that can be effectively utilized in various garden environments.

Plant Family	Spindle family
Height	60~90cm
Spread	60~90cm
Colors	yellow
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

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