Sunflower 'Valentine'

Helianthus annuus 'Valentine'

The sunflower 'Valentine' (Helianthus annuus 'Valentine') has the following characteristics and cultivation methods.

Growth Characteristics
- Height: It grows to approximately 1.2m to 1.5m.
- Flower Color: It produces soft lemon-yellow flowers with a darker center.
- Flowering Period: It blooms mainly from summer to autumn.
- Sunlight Requirements: It thrives in environments with plenty of sunlight. Full sun is most suitable.
- Soil Conditions: It prefers well-drained soil and grows well in neutral to slightly alkaline soil.

Propagation Methods
- Seed Propagation: Propagation by seeds is common. You can sow seeds directly once the spring frost has passed and the ground has warmed up.
- Sowing Time: Generally, seeds are sown in the spring. The optimal germination temperature is 20–25 degrees Celsius.

Cultivation Methods
- Watering: Adequate watering is required during the growing season. Overwatering should be avoided. - Fertilization: General garden fertilizers can be used; moderate nutrient levels are preferable to overly fertile soil.
- Care: The 'Valentine' sunflower is relatively easy to care for, and regular weeding can help prevent pests and diseases.

Uses in the Garden
- Ornamental: Suitable for beautifying the landscape; it is best planted in a prominent location.
- Background Plant: Can serve as a backdrop that harmonizes with other flowers.

Important Pests and Control Methods
- Pests: Aphids and moths may occur; general pest control agents are acceptable.
- Diseases: Diseases such as rust or powdery mildew may occur. In this case, use a fungicide appropriate for the specific disease and ensure good ventilation.
- Prevention: To prevent pests and diseases, remove weeds around the plant and maintain a dry environment free from excessive moisture.

The information above provides basic guidelines for growing healthy 'Valentine' sunflowers. Detailed management methods may vary depending on the climate and soil conditions of each region.

Plant Family	Asteraceae
Height	120~150cm
Spread	30~60cm
Colors	yellow
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-10°C

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