Cosmos 'Double Click' mix

Cosmos bipinnatus 'Double Click'

Cosmos 'Double Click' mix

Cosmos bipinnatus 'Double Click'
A splendid sea of flowers!
The fantastic Cosmos 'Double Click' (Cosmos bipinnatus) produces masses of impressive and very eye-catching flowers in your garden! The easy growing Cosmos 'Double Click' flowers for a long time, with double blooms in an attractive range of colours. Annuals produce a wealth of flowers in glorious colours. Great for filling empty spaces in the border! Also looks nice in a large pot or planter on your patio or decking.

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Cosmos 'Double Click' mix
Cosmos 'Double Click' mix
How we measure

From the bottom of the nursery pot to the top of the plant.

Color: Mix
Edible: No
Flowering: June - November
Cutting flowers: Yes
Grafted: No
Green stayer: No
Growing Height: 120 cm
Guarantee: 1 year growth and flowering guarantee
Hardy plants: No
Latin name: Cosmos bipinnatus 'Double Click'
Leafs all year: No
Preferred location: Sun, Half shadow
Naturalizing: No
Scented: Not Scented
Self polinating: No

Cosmos seed requires no prior treatment.

How to Sow

Sow in the garden, April through May.
Sow indoors, March-April.

There are 3 ways you can sow:

  1. From the end of April through May - sow directly in the garden, preferably in full sun. Loosen the soil with a fork to at least 30 cm deep. Draw a straight furrow 1 cm deep and label the row. Drop the seeds along the row and cover with a thin layer of soil (Cosmo needs the dark to germinate). Press lightly down and sprinkle with water. Extra rows at 30 cm apart. A length of twine along the row at a few cm high will give young plants some support.
  2. Indoors, use a propagator on the window-sill, or trays in a cold-frame. Use seeding compost and 1 seed per pot. Cover the seed with 1 cm soil (needs the dark to germinate), press lightly down and sprinkle with water. Heat will do the rest. Pot up if they get too big before mid-May, after which they can be planted outdoors. Hold growth back by standing them in a cooler, but light spot.
  3. Sow them just where you want them to grow - here and there in the border or in pots. Do sow thinly and do not cover too deeply. Press lightly down and sprinkle with water.
The seed will germinate in 7-14 days and are not frost resistant so do use some garden fleece as protection.


Water extra during dry periods, keep the bed weed-free and your cosmos will thrive. They are fairly undemanding but do not like to have their 'feet' too wet. They even do well in poor soil. ’Double Click’ flowers in the spring and autumn, right up to the first frosts. Keep dead heading to promote reflowering. Do not feed if you want lots of flowers!

If not planted close to other plants the cosmos will thank you for some form of support as these tall plants can sometimes get blown over


Flowers August-October - May-June if sown early.

Cosmos makes a great cut flower! Just cut the long stems for a lovely summery bouquet. Keep deadheading to encourage reflowering.


Cosmos bipinnatus is an annual that grows gorgeous radiating flower heads and grows to 80-120 cm high. It is a member of the Compositae or Asterideae family.

Cosmos bipinnatus has lovely double flowers in terrific shades. The leaf is unusually finely feathered and very ornamental. This is a popular border plant and is great for filling those unwanted empty spaces. Can also hold its own among tall perennials and so ideal to fill spaces between them too.

Cosmos bipinnatus is what we call a short day plant - this means it will flower when the days are shortest (less than 12 hours sunlight per day). If sown early (February), it could flower before the summer and then again in autumn!

This plant originated in Mexico where the plant can grow to 1.5 m high in its natural habitat!


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