Rose of Sharon 'Wajo Blue'

Hibiscus syriacus 'Oiseau Bleu'

Hibiscus syriacus 'Oiseau Bleu' is a hibiscus variety characterized by its elegant blue flowers. It blooms from summer to early autumn, and its beauty is enhanced by its three petals and a deep purple center. Below, we introduce the growth characteristics, propagation methods, cultivation techniques, garden uses, and important pests and diseases and control methods for 'Oiseau Bleu'.

Growth Characteristics
- Propagation: Seed propagation by self-pollination is possible.
- Growing Environment: It thrives in sunny locations. Well-drained soil is suitable.
- Drought Tolerance: It is relatively drought-tolerant and tolerates conditions with insufficient water.
- Cold Tolerance: It is relatively resistant to winter cold.

Propagation Methods
- Seed Propagation: Harvest mature seeds in autumn and sow them in spring.
- Cuttings: Cut healthy stems in summer and plant them in moist soil. Cultivation Methods
- Soil: Prefers fertile, well-drained soil.
- Watering: Water regularly during dry periods, but avoid overwatering.
- Fertilizer: Applying fertilizer during the spring growing and flowering seasons promotes growth.
- Pruning: Regular pruning helps maintain shape and ensures hygienic management.

Uses in the Garden
- Ornamental: The blue flowers are suitable for planting along the borders of gardens or parks.
- Street Tree: It blends well with city streets and is highly useful as it expands urban green spaces.

Important Pests and Control Methods
- Pests: Damage from aphids or moths may occur. Control them by regularly spraying insecticides.
- Diseases: Be careful of leaf spot caused by fungi or mold. This can be resolved by removing diseased parts and using fungicides.

By referring to this information, you can grow the Rose of Sharon 'Waje Blue' healthily and utilize it for gardens or other decorative purposes.

Plant Family	Malvaceae
Height	180~240cm
Spread	150~180cm
Colors	blue
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-15°C

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