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Annual Plant (S) T3
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Edible Sunflower ‘Large’ (Helianthus annuus)
Botanical Name: Helianthus annuus
Type: Hardy Annual
Edible Sunflower ‘Large’ is a high-yielding, tall sunflower variety cultivated for its plump, nutritious seeds with a rich, nutty flavor. Perfect for snacking, roasting, or sprinkling over baked goods and salads, these sunflowers also bring stunning golden blooms to the garden. Their tall, sturdy stems and vibrant flowers make them a beautiful and functional addition to vegetable gardens, pollinator-friendly borders, or ornamental plots.
Plant Details
Type: Hardy annual
Height: 150–200cm
Spread: 50–70cm
Flowers: July – September
Position: Full sun; fertile, well-drained soil
Growing Information
Sow: Mar – May directly outdoors after last frost
Germination: 7–14 days at 18–22°C
Spacing: 30–50cm apart
Care: Water during dry spells; support taller plants if necessary; harvest seeds when back of flower heads turn brown
Why You’ll Love It
Large, plump seeds perfect for roasting or eating raw
Tall, striking plants with golden blooms
Easy to grow and highly productive
Attracts bees, butterflies, and birds
Top Tip
Harvest seeds when the backs of flower heads turn brown and the seeds are black and fully developed. Dry thoroughly before storing for maximum shelf life.
Perfect For
Kitchen gardens and edible landscapes
Snacking, baking, and cooking
Pollinator-friendly planting schemes
Statement borders and tall garden features
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