Giant Sunflower

Helianthus annuus · Asteraceae · Annual

Giant Sunflower

Size

$3.49

Online price only.

The giant sunflower is a spectacular plant that brings a true sense of wonder to the garden, both through its impressive height and the luminous power of its immense golden flowers. This variety of Helianthus annuus quickly transforms a simple space into a living backdrop, creating a majestic focal point, a natural screen, or even a fascinating small plant-lined path for children and adults alike. Throughout the summer, its robust stems vigorously reach for the sky, bearing large flower heads that attract bees, butterflies, and other pollinators before feeding birds with their abundant seeds. Its presence gives the vegetable garden or ornamental garden an exceptional, almost theatrical, vertical dimension, while contributing to local biodiversity. Easy to cultivate in rich, well-drained, and well-exposed soil, it generously rewards simple care with rapid and impressive growth. Its spectacular development also makes it an educational and fun crop, perfect for introducing children to gardening and observing nature. In a bouquet, at the back of a bed, or left standing to support wildlife, it always retains strong decorative power. Grandiose, useful, and inspiring, the giant sunflower is a must-have for giving the garden height, light, and character.

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Growing conditions

Watering
Regular
Exposure
Sun
Germination temperature
18 to 24°C (64 to 75°F)
Germination (days)
7 to 14 days

Growth & dimensions

Spread
40 to 50 cm (16 to 20 in)
Height
Up to 5 m (16.4 ft)
Sowing depth
2 to 3 cm (0.8 to 1.2 in)

Flowering & harvest

Flowering
July to September
Sowing period
After all risk of frost
Harvest
July to September
Use
Focal point, natural screen, cut flowers, birds, educational garden
Companion plants
Corn, bean, squash, cucumber, nasturtium
Incompatible plants
None known