Helianthus 'Giant Single'
(Annual Sunflower)
The large, yellow sunflowers are a giant among annual plants. It is simply amazing how one seed can become as tall as a man. Easy to grow, straight into the soil after the last frosts, in April and May or into a 9cm pot indoors. 50 seeds
The large, yellow sunflowers are a giant among annual plants. It is simply amazing how one seed can become as tall as a man. Easy to grow, straight into the soil after the last frosts, in April and May or into a 9cm pot indoors. 50 seeds
In stock
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Estimated delivery £7.95
Delivery:
7-10 days
Info
Colour: Yellow
Flowers: Summer
Height x Spread: 180cm x 60cm
Soil: Well-drained
Planting position: Sun
Wildlife Friendly
Suitable for cutting
Upright plant
Sow seed thinly, 12mm (1/2") deep in drills 45cm (18") apart in well cultivated soil raked to a fine tilth. Germination usually takes 15-21 days. When large enough to handle, thin to 45cm (18") apart. For earlier sowings sow indoors individually in 7.5cm (3") pots at 20-25°C (68-77°F). When well grown, gradually acclimatise to outdoor conditions before planting out after risk of frost in a well-drained soil in full sun.
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