Cosmos bipinnatus Xanthos

Additional Details

When to Sow Xanthos Cosmos Seeds

February and March

Where to Sow

Sow the seeds in trays of moist seed compost and cover with a fine sprinkling of compost or vermiculite. Place in a warm place and keep at a temperature of between 20-25°C (68-77°F).

What to do Next

Prick off glasshouse seedlings into trays when large enough to handle 10cm (4") apart. Gradually harden off before planting out in May 30-45cm (12-18") apart.

Flowers

July to October

Handy Tip

Plant in drifts or in a border on its own creating a bright yellow glow all summer.