Towering Plant Height
Grows approximately 12–14 feet tall, creating an impressive vertical display in sunny garden spaces.
Mongolian Giant Sunflower Seeds for Sale
Suitable for home gardening use
Regular price
Rs. 16.99 INR
Sale price
Rs. 16.99 INR
Regular price
Tax included.
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Estimated Delivery:Nov 21 - Nov 25
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Product description
Mongolian Giant Sunflower Seeds
Mongolian Giant Sunflower is an impressive annual variety known for its towering growth, enormous yellow flower heads, and large edible seeds. Plants can reach approximately 12–14 feet tall and produce flower heads up to 12–18 inches across. It is an excellent choice for sunny gardens, garden backdrops, pollinator spaces, and home seed harvesting.
Giant Sunflower
Yellow Flowers
Annual Flower
Large Edible Seeds
Key Features
Enormous Yellow Flowers
Produces large yellow flower heads that can reach approximately 12–18 inches across.
Large Edible Seeds
Develops extra-large sunflower seeds suitable for roasting, snacking, and bird feeding.
Pollinator Attraction
Its large flowers provide a valuable source of pollen and attract bees and other beneficial pollinators.
Product Highlights
Grows approximately 12–14 feet tall
Produces enormous yellow flower heads
Flower heads reach 12–18 inches wide
Produces large sunflower seeds
Suitable for sunny garden backdrops
Attracts bees and pollinators
Prefers fertile, well-drained soil
Requires full sunlight
Specifications
| Scientific Name | Helianthus annuus |
| Common Name | Mongolian Giant Sunflower |
| Plant Family | Asteraceae |
| Seed Type | Annual Flower Seeds |
| Growth Habit | Tall, upright, single-stem annual |
| Flower Color | Bright Yellow |
| Flower Head Size | Approximately 12–18 inches across |
| USDA Hardiness Zones | Annual; can be grown in suitable climates across USDA zones 2–11 |
| Planting Season | Spring, after the last frost |
| Seed Starting | Direct sow outdoors in warm soil, approximately 1/2–1 inch deep |
| Germination Time | 7–14 days |
| Germination Temperature | 70–85°F |
| Days to Maturity | Approximately 90–100 days |
| Sunlight | Full Sun |
| Soil Requirements | Fertile, nutrient-rich, well-drained soil |
| Watering | Regular watering, especially during early growth and flowering |
| Mature Plant Size | Approximately 12–14 feet tall |
| Plant Spacing | 18–24 inches apart; allow additional space where needed |
Growing Guide
Step 1: Choose a Sunny Location
Select an open garden area receiving at least 6–8 hours of direct sunlight. Choose a location with enough vertical space for tall plants.
Select an open garden area receiving at least 6–8 hours of direct sunlight. Choose a location with enough vertical space for tall plants.
Step 2: Prepare the Soil
Prepare fertile, well-drained soil enriched with organic matter. Remove weeds and loosen the soil before planting.
Prepare fertile, well-drained soil enriched with organic matter. Remove weeds and loosen the soil before planting.
Step 3: Sow the Seeds
Sow seeds approximately 1/2–1 inch deep after the last frost when the soil has warmed. Space plants about 18–24 inches apart.
Sow seeds approximately 1/2–1 inch deep after the last frost when the soil has warmed. Space plants about 18–24 inches apart.
Step 4: Water and Support
Keep the soil consistently moist during establishment. Water deeply during dry weather and stake tall plants in windy locations to support their heavy flower heads.
Keep the soil consistently moist during establishment. Water deeply during dry weather and stake tall plants in windy locations to support their heavy flower heads.
Step 5: Harvest the Sunflower Seeds
Allow flower heads to mature until their backs turn yellow-brown and the seeds become firm. Protect developing heads from birds and squirrels before harvesting.
Allow flower heads to mature until their backs turn yellow-brown and the seeds become firm. Protect developing heads from birds and squirrels before harvesting.
Grow Impressive Mongolian Giant Sunflowers
Mongolian Giant Sunflowers bring exceptional height, enormous yellow blooms, and large seeds to home gardens. Grow them in sunny outdoor spaces for a striking seasonal display and enjoy their beauty and seed-producing potential.
Frequently Asked Questions
Find useful information about Mongolian Giant Sunflower height, flower size, and seed harvesting.
How tall do Mongolian Giant Sunflowers grow?
Mongolian Giant Sunflowers typically grow approximately 12–14 feet tall under favorable growing conditions. Full sunlight, fertile soil, adequate moisture, and sufficient growing space help support their towering growth.
How big are the flower heads of Mongolian Giant Sunflowers?
Mongolian Giant Sunflowers can produce impressive flower heads approximately 12–18 inches across. Their large yellow blooms make them a striking feature in spacious garden beds and outdoor landscapes.
When are Mongolian Giant Sunflower seeds ready to harvest?
Seeds are ready to harvest when the flower head begins to turn yellow-brown on the back and the seeds become firm and mature. Cut the heads and allow them to dry in a well-ventilated area before removing the seeds.