Helianthus ‘Astra Gold’ brings a bold twist to the classic sunflower, with its feathery, shredded petals creating a wild and untamed look. This tall, branching variety produces an abundance of flowers throughout summer — adding height, movement, and golden energy to your borders.
🌸 Flowering: July to September
📏 Height: 150-170cm
🌿Annual
Sow: start indoors in February or March in individual pots or modules, about 1cm deep, at around 20°C. Germination takes 1–2 weeks. In milder areas, you can also sow outdoors in April, either in pots or direct where they’re to flower.
Grow: harden off and plant out once frosts have passed, spacing them 40–50cm apart. Keep well watered and choose a sunny, open spot. Stake tall varieties, especially if you're using them as a screen or windbreak.
Enjoy: a splash of spectacular — impressive at the back of the border or dotted through a wilder planting scheme. The unusual blooms also make striking, long-lasting cut flowers.
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