Dhara Seeds

Giant Sunflower Helianthus annuus Seeds for Planting in Flower Bed and Backyard Garden

Size

$16.99

Estimated Free Delivery between July 01 and July 04.

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Growing Instructions

Giant Sunflower Seeds

Characteristics and Uses of Giant Sunflowers

Giant sunflowers, known for their towering height and large, vibrant yellow blooms, are an iconic summer flower. These heirloom seeds from Dhara Seeds yield impressive plants with massive flower heads that attract pollinators and provide a striking focal point in gardens. The seeds of these sunflowers are also edible, making them a dual-purpose plant for both beauty and harvest.

Growing Conditions for Giant Sunflowers

  • Light Requirements: Full sun
  • Soil Type: Well-drained, loamy soil
  • Soil pH: 6.0–7.5
  • Temperature: Prefers warm, sunny environments
  • Spacing: 18–24 inches apart

Planting Tips for Giant Sunflowers

  • Plant seeds directly in the garden after the last frost
  • Space plants well apart to allow for their large growth
  • Provide support for tall varieties to prevent wind damage

Watering Instructions and Tips

Sunflowers need deep watering, especially during dry spells. Water the base of the plant to avoid wetting the leaves, which can encourage disease.

Growing Zones

  • USDA Zones: 4–9
  • Global Zones: Temperate regions

Key Benefits & Uses

  • Impressive, show-stopping flowers in late summer
  • Edible seeds that can be harvested for snacks or birdfeed
  • Attracts pollinators like bees and birds

Best Uses in the Garden & Landscape

  • Ideal for large garden beds, back borders, or as a focal point
  • Great for creating a natural screen or barrier

Conclusion

Giant Sunflowers are perfect for any garden, offering both beauty and a harvestable crop. Trust Dhara Seeds, a big, trusted name in the seed world, offering a wide range of high-quality, non-GMO varieties to gardeners everywhere.

FAQ

How tall do Giant Sunflowers grow?

Giant sunflowers can grow up to 12 feet tall or more depending on the variety.

When do Giant Sunflowers bloom?

Expect blooms in late summer, usually 70–90 days after planting.

Non-GMO

Dharaseeds are Non-GMO and free from genetically modified organisms.

High Germination Rate

Tested for high viability to ensure successful sprouting.

Heirloom Variety

Open-pollinated seeds preserved for quality and authenticity.

Chemical-Free

Free from synthetic pesticides, herbicides, and additives.

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