Growing cosmos from seed step by step (Cosmos bipinnatus)

Growing cosmos from seed step by step

How to plant

6 days after sowing, there are already seedling emerging.

Cosmea seeds germinating 6 days after sowing
Cosmea seeds germinating 6 days after sowing

They grow very fast.

Cosmos bipinnatus seedlings
Cosmos bipinnatus seedlings

When the seeds have already developed some leaves, it is time to plant them individually. In the picture below, the seedlings are ready to be replanted individually and allowed to grow more before plant in final place. One month passed between sowing and the picture below.

Cosmea seedlings one month after sowing
Cosmos seedlings one month after sowing

Look how tight and leggy they are. one third of the seeds would be perfectly enough.

Gently lift the seedlings
Gently lift the seedlings

Lift the seedlings and plant in small pots.

Replanting cosmeas grown from seed
Replanting cosmeas grown from seed

Allow them to grow and develop. They are fast growers. Prune the top to encourage lateral shoots that will result in bushy plants.

Reduce leggy cosmos
Reduce leggy cosmos
Reducing will engourage bushing
Reducing will encourage bushy growth

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