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Frequently Asked Questions
Everything you need to know before you sow.
Can Cosmos Sensation be used as a border filler?
Can Cosmos Sensation be used as a border filler?
Yes. Its medium height and flowering habit can fill the middle layer of a sunny border without dominating shorter edging plants.
Why should cosmos not receive excessive fertilizer?
Why should cosmos not receive excessive fertilizer?
The care instructions advise avoiding excess fertilizer. Too much fertility can encourage foliage growth and reduce the balance between foliage and flowers.
Can cosmos be direct-sown into the garden?
Can cosmos be direct-sown into the garden?
Yes. The page recommends direct sowing, light covering, gentle watering and keeping the seedbed moist during germination.
How can faded cosmos flowers be managed?
How can faded cosmos flowers be managed?
Removing faded flowers keeps the plants tidy and can encourage continued flowering during the summer growing period.
Can Cosmos Sensation be planted with taller flowers?
Can Cosmos Sensation be planted with taller flowers?
Yes. Use it as a middle-height layer, with taller plants behind it and shorter flowers in front.
Why is 30 cm spacing useful for cosmos?
Why is 30 cm spacing useful for cosmos?
The recommended spacing gives each plant room for branching, airflow and flower display while reducing excessive crowding.
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