🌍 The Giant Russian Mammoth Sunflower (Helianthus annuus) is one of the most beloved and easily grown sunflower varieties in the world. This classic heirloom is prized for its towering height, massive golden-yellow blooms, and nutrient-rich edible seeds. Originally cultivated in Russia during the 19th century and later popularized in North America, this sunflower remains a favorite among gardeners, farmers, and pollinators alike.
Botanical Description 🌿
Species: Helianthus annuus
Common Name: Giant Russian Mammoth Sunflower
Type: Annual flowering plant
Height: 8–12 feet (2.4–3.7 meters)
Bloom Size: 10–20 inches (25–50 cm) in diameter
Flower Color: Bright yellow petals with dark brown centers
Stem: Thick, strong, fibrous stalk capable of supporting large blooms
Foliage: Broad, heart-shaped green leaves
Seeds: Large, black-and-white striped, edible, and oil-rich
Cultivation & Growing Tips 🌱
Giant Russian Mammoth sunflowers thrive in full sun and are known for their adaptability to various soil types, even those of lower fertility. To ensure strong, healthy plants:
Sow directly outdoors after the last frost in well-drained soil.
Plant seeds 1 inch (2.5 cm) deep and 8 inches (20 cm) apart.
Once seedlings reach about 3 inches (7–8 cm) tall, thin to 15 inches (38 cm) between plants.
Water regularly but avoid waterlogging; sunflowers prefer slightly dry conditions once established.
Support tall plants with stakes in windy areas to prevent bending.
Fertilize lightly, as too much nitrogen can cause excessive leaf growth at the expense of flower size.
Flowering & Harvest 🌻
Bloom Time: Summer through early autumn
Pollination: Highly attractive to bees, butterflies, and birds
Seed Harvest: When flower heads turn brown and seeds begin to loosen, cut and dry them indoors or in a sunny spot.
Uses 🌾
Ornamental: Perfect for garden borders, fences, and backdrops, creating dramatic vertical accents.
Edible Seeds: Roast or dry the seeds for snacks, bird feed, or homemade sunflower oil.
Pollinator-Friendly: An essential addition for ecological gardens that support biodiversity.
Children’s Gardens: Easy and rewarding for beginners, making it an ideal choice for educational planting projects.
Summary 🌞
The Giant Russian Mammoth Sunflower is a true garden showstopper — majestic, resilient, and multifunctional. With its soaring height, vibrant blooms, and nutritious seeds, it’s a timeless symbol of summer beauty and abundance. Whether grown for food, decoration, or wildlife attraction, this sunflower guarantees stunning results and a touch of natural grandeur in any garden.
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| Type of Delivery | Processing Time | Insured | Possible Delays | Notes |
|---|---|---|---|---|
| Standard | 7–10 business days | ❌ | 7–14 days | Basic shipping option |
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