Sunflower 'Soraya'

Helianthus annuus 'Soraya'

The sunflower 'Soraya' (Helianthus annuus 'Soraya') has the following growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases and control methods.

Growth Characteristics
- Size: 'Soraya' grows to an average height of 1.5 to 1.8 meters.
- Flower Color: It produces bright orange to golden flowers with brown centers.
- Flowering Period: Generally, it blooms from mid-summer to early autumn.
- Environment: It thrives in sunny locations and prefers well-drained soil.

Propagation Methods
- Seed Propagation: It is generally propagated by seeds; it is best to sow them directly into the ground after the last frost in spring.
- Germination Conditions: The optimal germination temperature is approximately 21–24°C, and germination takes about 7 to 14 days.

Cultivation Methods
- Soil Preparation: Prepare well-drained and fertile soil. If necessary, organic matter can be added to improve soil fertility. - Watering: Since the roots spread deeply, it is ideal to water deeply and sufficiently once a week.
- Fertilizer: Applying phosphorus-rich fertilizer at the time of flowering improves the quality of the flowers.

Uses in the Garden
- Ornamental: 'Soraya' is beautiful on its own but also makes an excellent background plant.
- Shelter: Due to its tall stature, it can provide a shelter for small birds.

Important Pests and Control Methods
- Diseases: Sunflowers are generally susceptible to rust, wind damage, and fungal diseases.
- Control: Plant at appropriate intervals to improve ventilation and use fungicides if necessary.
- Pests: Pests include aphids and moth larvae.
- Control: Use natural enemies and apply appropriate insecticides when necessary.

We hope this information helps you grow and care for 'Soraya' sunflowers.

Plant Family	Asteraceae
Height	150~180cm
Spread	30~60cm
Colors	yellow
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-10°C

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