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Sunflower Giant Russian Organic Flower Seeds
from $6.99 AUD incl gst Select options

Sunflower Giant Russian Organic Flower Seeds

from $6.99 AUD incl gst

  • Produces massive, single-headed blooms up to 30 cm across.
  • Perfect for garden displays, cut flowers, and harvesting seeds for snacking or oil.
  • Thrives in full sun with well-drained, fertile soil and regular watering.

SUNFLOWER ‘Giant Russian’ Organic Flower Seeds

Botanical Name: Helianthus annuus

  • Massive, single-headed sunflower variety producing enormous yellow blooms up to 30 cm across.
  • High-yielding plant ideal for garden displays, cut flowers, and harvesting seeds for snacking or oil.
  • Strong stems support heavy flower heads, making it reliable even in windy conditions.
  • Thrives in full sun and fertile, well-drained soil with regular watering.
  • Attracts pollinators including bees and butterflies, enhancing your garden ecosystem.
  • Produces continuous flowers throughout the growing season when old heads are harvested promptly.

Plant Details

  • Plant Type: Annual flowering plant; giant sunflower
  • Plant Height: 200–300 cm tall; spreads 60–80 cm wide

Sowing Information

  • Germination: 7–14 days
  • Depth: 2–3 cm deep
  • Position: Full sun
  • Sow Where: Direct sow into garden beds or large pots after frost risk
  • Soil Type: Well-drained, fertile soil enriched with organic matter
  • Spacing: 60–80 cm between plants

Growing Tips

  • Water deeply during early growth to establish strong roots and sturdy stems.
  • Stake taller plants if necessary to prevent bending under heavy flower heads.
  • Remove old flower heads to encourage new blooms and prevent self-seeding if desired.
  • Fertilize lightly throughout the season to support continuous flowering and seed development.

Harvest

Flowers typically appear 80–100 days after sowing. Cut blooms when petals are fully open for fresh arrangements, or harvest seeds when the back of the flower head turns brown. Regular harvesting encourages further flower production.

When to Sow Sunflower Giant Russian in Your Climate

Climate Zone Best Planting Time Tips
Temperate September–November Sow after frost risk has passed. Provide full sun and shelter from wind.
Subtropical August–December Plant early to take advantage of the warm season. Water regularly.
Tropical April–September Grow during the dry season to avoid fungal diseases. Provide partial shade if necessary.
Cool October–December Start indoors to extend the growing season. Transplant after last frost.
Arid August–October Mulch heavily and water deeply to conserve moisture.

Product Specifications

  • Variety: Giant Russian Sunflower
  • Botanical name: Helianthus annuus
  • Organic, open pollinated, non-GMO
  • Seeds per gram: Approx. 10-13

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