Cosmos bipinnatus "Rubenza"

Cosmo with a unique shade of cranberry that later fades to an antique look.

Sow indoors 4-6 weeks before planting out and the risk of frost is over
Cosmos can also be direct sown when the soil has warmed up and the weather has become warmer.
Feel free to pinch and pick regularly for more flowering.

Please note that our seed bags are delivered in Swedish!


Quantity: 30 seeds

Light preference: Sun/Partial shade

Height: approx. 120 cm

Plant spacing: approx. 30-40 cm

Color: Burgundy

Sowing depth: 1 cm

Sowing time: 4-6 weeks before the last frost

Sowing to harvest: 75-90 days

Germination time: 5-15 days

Lifecycle: Halfhardy Annual

Vase life: Individual flowers last about 4-6 days, but each stem is loaded with several flowers that open over a period of a week. Harvest when the flowers are just beginning to open but have not fully opened to prevent insects from pollinating, which will help extend the vase life by a few extra days.