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Helianthus annuus
A cheerful, towering plant known for its large golden flower heads that follow the sun. Sunflowers are great for beginners and attract pollinators to the garden.
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easy
Full Sun (6-8 hours)
Moderate — water deeply once a week
70-100 days to bloom
Sow seeds directly outdoors after the last frost. Plant 2.5 cm deep and 15 cm apart in well-drained soil. Thin seedlings to 45 cm apart once they are 7 cm tall. Water regularly until established, then reduce. Tall varieties may need staking.
Germination (7-10 days)
Seed sprouts and pushes through soil
Seedling (2-3 weeks)
First pair of true leaves emerge
Vegetative (4-5 weeks)
Rapid stem and leaf growth, height increases quickly
Budding (1-2 weeks)
Flower bud forms at the top of the stem
Blooming (2-3 weeks)
Flower opens fully, attracting bees and birds
Estimate how many seed packs of Sunflower you need.
Every seed lot is tested for germination and purity, sourced from trusted growers, and labelled with variety, lot number, and sowing instructions. If you have any concern about seed quality, our support team will make it right. Read our full Seed Quality & Warranty policy.
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