Description

Helianthus Yellow Sunflower is a traditional yet stunning variety known for its bright yellow petals and tall, strong stems. It is perfect for home gardens, backyard landscapes, and decorative borders.

This sunflower variety grows quickly and thrives in full sunlight. It is easy to care for, making it suitable for beginner gardeners. The vibrant yellow blooms attract bees and butterflies, adding life and color to your garden during spring and summer.

Helianthus Yellow Sunflower also works well for cut flowers, bringing the charm of a sunny garden indoors. Its resilience, large flower size, and continuous blooming make it a must-have for any gardener.

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📅 Sowing Season Table

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🌱 Germination + Growing + Transplanting

🌱 Germination:

• Germination time: 7–12 days

• Temperature: 20–28°C

• Sow 1–2 cm deep in well-drained soil

• Keep soil moist until seedlings emerge

🌿 Growing:

• Full sunlight is required for optimal growth

• Moderate watering; avoid waterlogging

• Fertile, well-drained soil produces bigger flowers

🌼 Transplanting:

• Direct sowing recommended; transplant optional

• Spacing: 12–18 inches between plants

• Use stakes for taller plants if necessary

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🌿 Fertilizer Guide (3 Stages – Specific Fertilizers)

1️⃣ Seedling Stage (Early Growth):

• Fertilizer: 20-20-20 NPK water-soluble

• Application: 1–2 g/L water once a week

• Purpose: Promotes healthy root and leaf growth

2️⃣ Vegetative Growth (Stem & Leaf Development):

• Fertilizer: Urea (46-0-0) or Ammonium Sulfate (21-0-0)

• Application: 2–3 g/L every 10–15 days

• Purpose: Strong stems and lush foliage

3️⃣ Flowering & Seed Formation:

• Fertilizer: 5-15-45 NPK + 0-0-51 (potassium sulfate)

• Optional Additive: Epsom salt (MgSO₄) 1–2 g/L

• Application: Every 10–15 days during flowering

• Purpose: Boosts flower size, color, and seed development

💡 Tip: Apply fertilizers as soil drench or foliar spray and maintain proper watering for best absorption. Avoid over-fertilization.

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