Extra-Tall Growth
Grows approximately 10 to 12 feet tall in favorable conditions, creating an impressive vertical feature in outdoor gardens.
Russian Mammoth 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
Russian Mammoth Sunflower Seeds
Russian Mammoth Sunflower, scientifically known as Helianthus annuus, is a giant sunflower variety admired for its towering growth, thick sturdy stems, and enormous golden-yellow flower heads. This popular heirloom sunflower can grow approximately 10 to 12 feet tall under suitable conditions, producing large striped seeds that attract birds and can be harvested for personal use. Russian Mammoth Sunflowers are an excellent choice for sunny gardens, garden borders, and impressive summer displays.
Giant Sunflower Variety
Golden Yellow Flowers
Heirloom Flower Seeds
Large Edible Seeds
Key Features
Giant Golden Blooms
Produces enormous golden-yellow flower heads that create a spectacular display throughout the flowering season.
Large Striped Seeds
Develops plump, striped sunflower seeds that can be harvested when fully mature and properly dried.
Pollinator Friendly
Its bright flowers provide nectar and pollen for visiting bees and other beneficial pollinators.
Product Highlights
Giant sunflower with towering stems
Beautiful golden-yellow flower heads
Can reach approximately 10–12 feet tall
Large flower heads with striped seeds
Popular heirloom sunflower variety
Attracts bees and beneficial pollinators
Seeds can be harvested for eating
Ideal for sunny outdoor gardens
Specifications
| Scientific Name | Helianthus annuus |
| Common Name | Russian Mammoth Sunflower; Mammoth Russian Sunflower |
| Plant Family | Asteraceae |
| Seed Type | Heirloom Ornamental Flower Seeds |
| Plant Type | Annual Flowering Plant |
| Growth Habit | Tall, upright growth with a strong central stem |
| Flower Color | Golden Yellow |
| Flower Head Size | Approximately 10–14 inches, depending on growing conditions |
| Plant Height | Approximately 10–12 feet |
| Plant Spread | Varies with growing conditions and plant spacing |
| Planting Season | Warm growing season after the soil has warmed |
| Sunlight | Full Sun (6–8+ hours daily) |
| Sowing Method | Direct Sowing Recommended |
| Sowing Depth | Approximately ½–1 inch |
| Seed Spacing | Approximately 18–24 inches |
| Germination Time | Approximately 7–14 days under suitable conditions |
| Germination Temperature | Approximately 21–30°C |
| Days to Flowering | Approximately 80–100 days, depending on conditions |
| Soil Requirements | Fertile, organically enriched, well-drained soil |
| Watering | Regular watering, especially during establishment and flowering |
| Maintenance | Easy to grow; tall plants may benefit from staking |
| Uses | Ornamental Gardening, Seed Harvesting, Bird Feeding, Pollinator Gardens |
Growing Guide
Step 1: Choose a Sunny Location
Select an outdoor location that receives at least 6–8 hours of direct sunlight daily. Choose an area with enough room for the sunflower to grow tall and develop its large flower head. A location protected from strong winds is beneficial.
Select an outdoor location that receives at least 6–8 hours of direct sunlight daily. Choose an area with enough room for the sunflower to grow tall and develop its large flower head. A location protected from strong winds is beneficial.
Step 2: Prepare the Soil
Prepare fertile, loose, well-drained soil enriched with organic compost. Good soil preparation supports strong root development and healthy stem growth.
Prepare fertile, loose, well-drained soil enriched with organic compost. Good soil preparation supports strong root development and healthy stem growth.
Step 3: Sow the Seeds
Sow Russian Mammoth Sunflower Seeds approximately ½–1 inch deep into the prepared soil. Space seeds around 18–24 inches apart to provide sufficient room for mature plants. Water gently after sowing.
Sow Russian Mammoth Sunflower Seeds approximately ½–1 inch deep into the prepared soil. Space seeds around 18–24 inches apart to provide sufficient room for mature plants. Water gently after sowing.
Step 4: Maintain Moisture
Keep the soil consistently moist during germination without making it waterlogged. Once established, water regularly, especially during hot weather and flowering.
Keep the soil consistently moist during germination without making it waterlogged. Once established, water regularly, especially during hot weather and flowering.
Step 5: Support Healthy Growth
Remove competing weeds and provide suitable nutrients when needed. As plants become taller, monitor them for wind damage and use sturdy stakes if necessary.
Remove competing weeds and provide suitable nutrients when needed. As plants become taller, monitor them for wind damage and use sturdy stakes if necessary.
Step 6: Enjoy Flowers and Harvest Seeds
Allow the golden flower heads to mature naturally. For seed harvesting, wait until the back of the flower head turns yellow-brown and the seeds become plump. Harvest and dry the heads properly before removing the seeds.
Allow the golden flower heads to mature naturally. For seed harvesting, wait until the back of the flower head turns yellow-brown and the seeds become plump. Harvest and dry the heads properly before removing the seeds.
Grow Giant Golden Blooms with Russian Mammoth Sunflower
Bring impressive height and vibrant golden color to your garden with Russian Mammoth Sunflower Seeds. Known for their towering stems, enormous flower heads, and plentiful striped seeds, these sunflowers are a wonderful choice for gardeners who enjoy growing something extraordinary. Give them plenty of sunshine, fertile soil, and regular care to enjoy a spectacular sunflower display.
Frequently Asked Questions
Find helpful answers about growing, flowering, and harvesting Russian Mammoth Sunflowers.
How tall can Russian Mammoth Sunflowers grow?
Russian Mammoth Sunflowers commonly grow around 10–12 feet tall under favorable growing conditions. With sufficient sunlight, fertile soil, adequate moisture, and enough growing space, some plants may grow even taller. Their impressive height makes them popular for creating dramatic garden displays.
How do you grow Russian Mammoth Sunflowers with extra-large flower heads?
To encourage large flower heads, grow the plants in full sunlight and provide fertile, well-drained soil enriched with organic matter. Give each plant enough space, water consistently, and provide balanced nutrition when necessary. Avoid overcrowding because competition for sunlight, water, and nutrients can affect flower development.
Can you harvest and eat seeds from Russian Mammoth Sunflowers?
Yes, Russian Mammoth Sunflowers are popular for their large striped seeds, which can be harvested when mature. Wait until the flower head begins drying and the seeds become plump. Remove the seeds, clean them, and dry them thoroughly. Before eating, ensure the seeds are correctly identified as edible and have been grown and processed for food use.