Hidaka's Flower Goby 'Purple Rain'

Polemonium yezoense var. hidakanu 'Purple Rain'

Polemonium yezoense var. hidakanum 'Purple Rain' is a perennial plant with attractive purple flowers and is a popular variety in gardens. 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
- Growth Environment: Polemonium yezoense prefers a cool, humid climate and thrives in well-drained soil.
- Sunlight Requirements: It grows well in partial shade, but there is a possibility of leaf burn in areas with strong direct sunlight.
- Size: It grows to a height of approximately 30–60 cm when fully grown.
- Flowering Period: Flowers usually bloom from late spring to early summer, characterized by abundant blooms.

Propagation Methods
- Seeds: It can be propagated by sowing seeds, but the germination rate may be low. - Division: Propagation is more effective if mature plants are divided and planted in spring or autumn.

Cultivation Method
- Soil Preparation: It is recommended to use well-draining soil mixed with organic matter.
- Planting Spacing: Maintain a spacing of at least 30 cm between plants to promote sufficient growth.
- Watering: Water regularly to prevent the soil from drying out, and be careful not to overwater.
- Fertilizer: It is beneficial to use slow-release fertilizer in the spring.

Uses in the Garden
- Border Plant: Can be planted in border or edge areas to create natural boundaries.
- Flowerbeds and Containers: Suitable for creating movable gardens by planting in the center of flowerbeds or in containers.

Important Pests and Diseases & Control Methods
- Diseases: Fungal diseases such as powdery mildew may occur, so ensure good ventilation and avoid overwatering.
- Pests: Pests such as aphids may appear; to control them, regular observation and washing with soapy water if necessary are recommended. - Prevention: To prevent pests and diseases, periodically remove contaminated leaves or flowers and keep the soil clean.

By making good use of the information above, you will be able to grow the Hidaka Spiraea 'Purple Rain' in a healthy way. It will be a great choice for enjoying beautiful purple flowers in your garden.

Plant Type
Plant Family	Polemoniaceae
Height	30~60cm
Spread	30~60cm
Colors	purple
Bloom Period	April~May
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Hidaka flower sedge 'Blessingham Purple'
Polemonium ezoense var. hidakanum 'Bressingham Purple'

Caruleum d'Ange
Polemonium caeruleum Brise d'Anjou