Description

Sunflower

 

Price: 160 Taka per packet (sale price)

 

Quantity: 10 seeds

Brand: AAA (Chua Yong Seed Co., Ltd)

Country of Or: Thailand

 

Germination Rate (Approx.): 75%

Physical Purity (Min): 98%

Genetic Purity (Min): 98%

 

Germination Temperature

• Ideal: 20–30 °C

• Minimum: ~10–12 °C

• Optimal average from multiple sources: 24–28 °C

Germination Time

• 5–10 days (most commonly 6–8 days under warm conditions)

Plant Height, Span & Seed Depth

• Height: 3–8 ft (dwarf varieties 1–3 ft)

• Spread (canopy): 1.5–3 ft

• Seed sowing depth: ½–1 inch (1.2–2.5 cm)

Plant Spacing

• 12–18 inches apart (ornamental types)

Row Spacing

• 24–36 inches

Support Requirement

• Usually not required, but:

  • Tall varieties (>5 ft) may need staking in windy areas.

Seed to Bloom Time

• 60–90 days depending on variety and season.

Bloom Duration

• Individual flower lasts 10–20 days.

• Plant flowering window: 2–4 weeks.

Flower Shape & Size

• Shape: Large daisy-like composite flower head

• Diameter: 4–12 inches (ornamental types commonly 5–8 inches)

Life Span

• Annual plant (3–4 months total life cycle)

Pot / Container Size

• Minimum: 12–14 inch diameter × 12 inch depth

• Ideal for large varieties: 16–18 inch depth

• Bed depth: 10–12 inches

Soil Type & Composition

Best soil:

• Well-drained loamy or sandy loam

• Rich in organic matter

Ideal mix:

• Garden soil: 40 %

• Compost/vermicompost: 30 %

• Cocopeat: 20 %

• Sand/perlite: 10 %

Ideal pH: 6.0–7.5

Sunlight Requirement

• Full sun: 6–8+ hours daily

• Germination: Seeds do not require light, but warm soil is essential.

Water Requirement

Approximate per plant:

Avoid waterlogging.

Companion Plants

• Marigold

• Zinnia

• Basil

• Cucumber

• Corn

• Lettuce

Fragrance

• Very mild or none

• Fragrance rating: 1/10

Pests & Control

Common pests:

• Aphids

• Caterpillars

• Whiteflies

• Cutworms

Chemical:

• Imidacloprid

• Spinosad

• Cypermethrin

Organic:

• Neem oil spray (3–5 ml/L)

• Soap water spray

• Bacillus thuringiensis (BT)

Diseases & Control

Diseases:

• Powdery mildew

• Downy mildew

• Rust

• Root rot

Chemical:

• Mancozeb

• Carbendazim

• Copper oxychloride

Organic:

• Baking soda spray

• Trichoderma in soil

• Neem cake

Essential Nutrients

Recommended ratio:

• Nitrogen (N): 30 %

• Phosphorus (P): 30 %

• Potassium (K): 40 %

Organic sources:

• Cow dung compost

• Vermicompost

• Mustard cake

• Bone meal

• Wood ash

Organic Fertilizer Dose (Container Plant)

Per 14–16 inch pot:

• Vermicompost: 150–200 g every 15 days

• Mustard cake liquid: 100 ml solution every 10–15 days

• Bone meal: 25–30 g once at planting

• Wood ash: 20 g during bud stage

Chemical Fertilizer Dose

Per plant:

• Basal: NPK 10-10-10 → 10–15 g

• Vegetative stage: Urea 3–5 g

• Bud stage: NPK 5-10-10 → 5–8 g

Health / Medicinal Benefits

• Seeds rich in vitamin E, healthy fats, magnesium

• Heart health support

• Anti-inflammatory properties

• Sunflower oil widely used

Special Characteristics

• Heliotropism (young plants follow the sun)

• Attracts pollinators (bees, butterflies)

• Edible seeds & oil production

Encouraging More Flowers

• Full sun is critical

• Balanced fertilizer (avoid excess nitrogen)

• Deadheading (for branching varieties)

• Proper spacing

• Consistent watering

Best Sowing Months in Bangladesh

Considering recent climate trends:

• November – February (best)

• Also possible: October & March

Avoid peak monsoon.

Native Region

• North America (USA & Mexico region)

Germination Difficulty

• 2 / 10 (very easy)

Growing Difficulty

• 3 / 10 (easy beginner plant)

Average Seeds per Gram

• 8–15 seeds per gram
  (average ≈ 10–12 seeds)

Few Specialties

• One of the fastest growing flowering plants

• Produces edible seeds and oil

• Symbol of happiness and positivity

Quotes

• “Like a sunflower, always turn toward the light.”

• “Where sunflowers bloom, hope grows.”

Unknown Facts

• A sunflower head contains 1,000–2,000 tiny flowers.

• Fibonacci patterns appear naturally in seed arrangement.

• Some varieties can grow over 12 feet tall.

Scientific Name & Family

• Scientific name: Helianthus annuus

• Family: Asteraceae

*Note: It is recommended to prepare seedling in a small cup or pot for better success rate and keep the soil moist.

CLICK HERE TO LEARN MORE ABOUT GROWING TIPS

Recommended Items for Seedling Preparation:

-Seedling Tray Bed

–Ready Mix Soil – Potting Mix – MGSS3020

Water Spray Bottle – 500 ml

Disclaimer: In accordance with the universal custom of seed trade we give no warranty expressed or implied as to description, quality, productivity or any other matter of any way for the crop results beyond the purchased price especially under unsuitable season, abnormal weather, unsuitable soil and other unexpected conditions.

বীজ ব্যবসার সার্বজনীন প্রথা অনুযায়ী আমরা বিশেষত অনুপযুক্ত ঋতুতে, বিশেষত অনিয়মিত আবহাওয়া, অনুপযুক্ত মাটি এবং অন্যান্য ক্রয়মূল্যের বাইরে ফসলের ফলনের বর্ণনা, গুণমান, উৎপাদনশীলতা বা অন্য যে কোনও বিষয়ে বর্ণিত ওয়ারেন্টি প্রদান করি না অপ্রত্যাশিত শর্ত

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