Large Flower Heads
Produces impressive sunflower heads with bright yellow petals and prominent central disks.
Gray 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 22 - Nov 26
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Product description
Gray Giant Sunflower Seeds
Gray Giant Sunflower is a tall-growing annual flowering plant known for its large sunflower heads, bright golden-yellow petals, and gray-striped seeds. It adds impressive height and vibrant color to gardens, flower borders, and outdoor landscapes. Its substantial seed heads can also attract birds and provide harvestable seeds when allowed to mature fully. Gray Giant Sunflowers are a popular choice for gardeners looking to grow bold, eye-catching flowers.
Large Sunflower Heads
Golden-Yellow Petals
Tall-Growing Annual
Gray-Striped Seeds
Key Features
Tall Plant Growth
Develops strong, upright stems that add height and structure to garden spaces.
Gray-Striped Seeds
Forms large gray-striped sunflower seeds as the flower heads mature.
Bird-Friendly Garden Plant
Mature seed heads can provide a natural food source for birds and other wildlife.
Product Highlights
Large golden-yellow flower heads
Tall and upright growth habit
Gray-striped sunflower seeds
Fast-growing annual flowering plant
Ideal for sunny garden spaces
Suitable for garden borders and landscapes
Attracts pollinating insects
Produces mature seeds for harvesting
Specifications
| Scientific Name | Helianthus annuus |
| Common Name | Gray Giant Sunflower |
| Plant Family | Asteraceae |
| Seed Type | Flower Seeds |
| Plant Type | Annual Flowering Plant |
| Growth Habit | Tall, upright, and branching or single-stemmed depending on strain |
| Flower Color | Golden Yellow with Dark Central Disk |
| Seed Color | Gray to Gray-Striped |
| USDA Hardiness Zones | Generally grown as an annual across a wide range of climates |
| Planting Season | Spring to Early Summer, after frost risk has passed |
| Seed Starting | Direct sowing outdoors is generally recommended |
| Germination Time | Approximately 7–14 days under suitable conditions |
| Germination Temperature | Approximately 21–29°C (70–85°F) |
| Sunlight | Full Sun |
| Soil Requirements | Fertile, well-drained soil rich in organic matter |
| Watering | Regular watering, especially during establishment and flowering |
| Mature Plant Height | Varies by strain and growing conditions; verify the supplier's specifications |
| Plant Spacing | Approximately 45–60 cm (18–24 inches), depending on expected plant size |
| Days to Maturity | Approximately 80–100 days, depending on growing conditions and variety |
Growing Guide
Step 1: Choose a Sunny Location
Select a garden area that receives at least 6–8 hours of direct sunlight daily. Sunflowers grow best in open spaces with good air circulation.
Select a garden area that receives at least 6–8 hours of direct sunlight daily. Sunflowers grow best in open spaces with good air circulation.
Step 2: Prepare the Soil
Loosen the soil and mix in organic matter if needed. Choose fertile, well-drained soil to support strong roots and healthy stem development.
Loosen the soil and mix in organic matter if needed. Choose fertile, well-drained soil to support strong roots and healthy stem development.
Step 3: Sow the Seeds
Plant seeds approximately 2.5–5 cm (1–2 inches) deep. Space them according to the expected mature size of the plants.
Plant seeds approximately 2.5–5 cm (1–2 inches) deep. Space them according to the expected mature size of the plants.
Step 4: Water Regularly
Keep the soil consistently moist during germination. Once established, water deeply when needed, especially during dry weather and flower development.
Keep the soil consistently moist during germination. Once established, water deeply when needed, especially during dry weather and flower development.
Step 5: Support and Maintain Growth
Monitor tall plants for wind damage and provide stakes if necessary. Allow flower heads to mature fully if you want to collect the gray-striped seeds.
Monitor tall plants for wind damage and provide stakes if necessary. Allow flower heads to mature fully if you want to collect the gray-striped seeds.
Grow Impressive Blooms with Gray Giant Sunflower
Bring height, beauty, and vibrant golden-yellow flowers to your garden with Gray Giant Sunflower Seeds. Known for their substantial flower heads and distinctive gray-striped seeds, these sunflowers are a wonderful addition to sunny garden spaces. Provide plenty of sunlight, fertile soil, and regular watering to encourage healthy growth and beautiful blooms.
Frequently Asked Questions
Find helpful answers about Gray Giant Sunflower seed planting, flower development, and seed harvesting.
How tall do Gray Giant Sunflowers grow?
Gray Giant Sunflowers are known for their tall, upright growth and large flower heads. Their mature height depends on the specific strain, soil fertility, sunlight, and watering conditions. Check the supplier's variety details for an accurate height estimate.
When should you harvest Gray Giant Sunflower seeds?
Harvest sunflower seeds when the flower head has matured, the back of the head turns yellow to brown, and the seeds become plump and developed. Cut the mature head with part of its stem and allow it to dry in a well-ventilated, protected location before removing the seeds.
Do Gray Giant Sunflowers need support while growing?
Tall Gray Giant Sunflowers may benefit from staking, particularly in exposed gardens or windy locations. Use a sturdy stake and loosely secure the stem to help prevent bending or breakage as the plant and flower head become heavier.