These premium Hongyun Red Sunflower seeds are strictly cleaned and screened to filter out shrunken, broken and immature grains, ensuring stable germination. This upright annual plant grows sturdy green hairy stems and large heart-shaped rough green leaves. The spectacular flower heads feature rich deep red ray petals surrounding a dark brown central disc. Each bloom is large and eye-catching, standing high above the foliage. The flowering period lasts in summer, bringing bold vibrant color to the planting area.
Product Advantages
Hongyun red sunflower has strong upright stems and excellent heat tolerance, making it a standout ornamental sunflower variety. The unique red blossoms attract butterflies and pollinators to your garden. Straight firm stems make it perfect for fresh cut flower arrangements. Pair it with mixed annual flower seeds to create a vivid summer flower landscape.
Planting Method
Sow seeds outdoors in spring after frost risk passes, optimal soil temperature 18–28°C. Plant seeds 1–2cm deep directly into loose well-drained soil, space plants 30–40cm apart. Keep soil slightly moist before germination, seedlings emerge within 7–12 days. Select a full sun location receiving over 6 hours direct sunlight daily. Water at the base of plants. Remove faded blooms to encourage extra flowering.
Suitable Climate
Hongyun Sunflower thrives in warm temperate and subtropical climates. It grows best at 20–30°C and tolerates strong summer sunshine. Frost will kill seedlings. It prefers sunny dry conditions; continuously rainy humid weather increases the chance of powdery mildew.
Applications
Great for garden flower beds, landscape borders, cut flower farms, wildflower gardens and large patio containers. Fresh red sunflower blooms are used for bouquets and floral decorations.
FAQ
Q: Is Hongyun red sunflower edible? A: It is mainly cultivated as an ornamental flower. Its seeds are not recommended for eating.
Q: Does red sunflower need full sun? A: Yes, full sun is required. Insufficient sunlight causes thin stems and small flowers.
Q: How tall does Hongyun sunflower grow? A: It usually reaches 80–120cm under good growing conditions.
Q: What pests attack sunflower? A: Aphids, caterpillars and sunflower beetles are common pests. Inspect leaves regularly and use organic pest control.
Q: Can Hongyun sunflower grow in pots? A: Yes, use large deep planters with drainage holes and place them in full sun.
