Mongolian Giant Sunflower Seeds

mongolian giant sunflower seed packet flowers sow right seeds
mongolian giant sunflower seed packet features variety highlights helpful growing specs easy to follow planting instructions
mongolian giant sunflower seeds fast growing giant annual sunflower variety
mongolian giant sunflower seeds collage large flowers growing in garden blossoms blooms
mongolian giant sunflower seeds makes a natural screen or hedge in the garden
mongolian giant sunflower seeds attract a range of pollinators with these beautiful blooms

Mongolian Giant Sunflower Seeds

Regular price $4.99
/
  • Visa
  • Apple Pay
  • Google Pay
  • Meta Pay
  • PayPal
  • Venmo
  • Shop Pay

Mongolian Giant Sunflower Seeds | Product Features

  • Colossal stems reach soaring heights up to 14 feet with massive, vibrant yellow blooms.
  • Easy-to-grow heirloom variety brings continuous summer color and dramatic scale to outdoor spaces.
  • Attracts key pollinators like bees and birds to support garden ecosystems and local biodiversity.
  • Non-GMO heirloom seeds carefully packaged with a minimum of 8g (about 65 seeds) per packet.

Transform your garden into a natural spectacle with non-GMO heirloom Mongolian Giant Sunflower seeds from Sow Right Seeds. Famous for their towering stems that reach up to 14 feet tall and their massive, bright yellow blossoms, these giant sunflowers create an unforgettable focal point in any sunny garden or backyard. Beyond their dramatic aesthetic, these vibrant giant flowers naturally attract bees, birds, and other beneficial pollinators. Whether you are creating natural privacy screens, unique garden mazes or an engaging educational project for kids, growing these magnificent heirlooms is simple and deeply gratifying.

Plant seeds directly outdoors in warm soil in a location with full sun exposure. Sow seeds 1 inch deep, spacing them 3 feet apart to accommodate their massive growth. Ensure the soil is rich, well-draining, and kept consistently moist during early development. Mongolian Giant sunflowers grow vigorously throughout the warm summer season. Because of their immense height and massive flower heads, provide staking or support if growing in wind-prone areas.

Mongolian Giant Sunflower Seeds Growing Details
Botanical Name Helianthus annuus 'Mongolian Giant'
Plant Spacing 36”
Planting Depth 1”
Spread 24” – 36”
Height Up to 14'
Germination Temp 70 – 85 °F
Light Required Full Sun
Life Cycle Annual
Days to Germination 7-14
Days to Maturity 80 – 90 Days
Planting Zone 3-13
Flower Form Single
Growth Rate Fast
Growing Season Summer
Harvest/Blooming Season Summer – Early Fall

  • Free shipping on orders over $25
  • Sustainably produced
  • Guaranteed to grow
  • Non-GMO heirloom seeds
  • Secure payments
  • In stock, ready to ship
  • Inventory on the way
  • Visa
  • Apple Pay
  • Google Pay
  • Meta Pay
  • PayPal
  • Venmo
  • Shop Pay

Frequently Asked Questions

Due to their immense height (up to 14 feet) and heavy flower heads, staking is recommended, especially in areas prone to strong winds or heavy rain. Placing heavy stakes or planting them along a fence line provides the structural support needed to keep stems upright.

Yes! Mongolian Giant sunflowers produce large, high-protein seeds with thick shells that are excellent for harvesting, roasting, and eating, or leaving on the plant as a nutritious winter feast for wild birds.

The flower heads of the Mongolian Giant variety regularly reach 14 to 18 inches in diameter, making them one of the largest single-head sunflower varieties available.

Direct sow sunflower seeds outdoors in the spring after all danger of frost has passed and soil temperatures have warmed to at least 65–70°F, as sunflowers thrive in warm soil and full sunlight.

Recently viewed