Red Sun is an easy to grow Sunflower, with its dark red flowers on top of tall stems. This variety is brilliant for back borders and makes for a beautiful cut flower in your home.
It will reach an approximate height of 1.5m (5ft) and the flowers can reach a diameter of up to 10cm.
WHEN TO SOW
April and May
WHERE TO SOW
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.
WHAT TO DO NEXT
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 all risk of frost in well-drained soil in full sun.
July to September.
Plants may need staking in exposed areas. When flowers have faded, hang heads to feed the birds.