Sunflower Giant Single Seeds

Additional Details

When to Sow Giant Single Sunflower Seeds

April to 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 risk of frost in a well-drained soil in full sun.

Flowers

July to September

Handy Tip

Plants may need staking in exposed areas. When flowers have faded, hang flower heads by strings to feed the birds.