Plant ID forum: What kind of a Cosmos?

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Name: Myriam
Ghent, Belgium (Zone 8a)
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bonitin
Jan 9, 2016 12:52 AM CST
It came from a supermarket, it was very small and not taller than about 15cm (1/2 ft) when i got it, maybe it would have grown taller if I hadn't over watered it in a too big pot. The heart of the flower seems unusual large and the petals short for a Cosmos..


Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Jan 9, 2016 7:31 AM CST
Might be Rubenza? but I am not sure.
Name: Myriam
Ghent, Belgium (Zone 8a)
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bonitin
Jan 9, 2016 8:02 AM CST
The colour certainly matches Cosmos Rubenza, Caroline, it is just that the petals on mine are so short and shaped a little like the 'Sea Shell' series and the heart so big in relation..I bought it in bud and didn't know how it would turn out, in fact I confess I was disappointed.. Rolling my eyes.
Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Jan 9, 2016 8:14 AM CST
Cosmos bipinnatus Sonata Series is dwarf, up to 30cm ..

https://www.rhs.org.uk/Plants/142768/Cosmea-Sonata-Series/De...

http://www.chilternseeds.co.uk/item_398m_cosmos_bipinnatus_s...

That's the only one which fits out of the many listed on Chiltern Seeds, but it's no guarantee. The petals on yours do appear to be shorter and slightly fluted, with a larger centre as you noted Myriam.

http://www.chilternseeds.co.uk/search?q=cosmos

This site links to several sites with a list of the most used bedding plants at the bottom, I don't know what else it can be.

http://www.beddingplantsuk.co.uk/seeds_cosmos.htm

Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Jan 9, 2016 8:34 AM CST
Cosmos bipinnatus, 'Sonata' Series, 'Sonata Carmine' is the best fit Janet, apart from the too large heart and the shorter petals, the photo of it in the chilternseeds site also show the slightly fluted petals..
It could be the growing condition or that it had been forced to bloom by the nursery that made mine look a bit odd.., if it had lived longer it might have shown its true shape..
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Jan 9, 2016 9:13 AM CST
It probably suffered as you say Myriam, from dwarf dwarfism. Hilarious! Look at the photo on pinterest, one flower in particular towards the back left/top you can see a flower with shorter petals and a larger centre. There must be some variation in seed grown plants.

https://www.google.co.uk/search?q=cosmos+bipinnatus+sonata+c...
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Jan 9, 2016 9:16 AM CST
Another thing which I thought of is the sprays used to make plants more dwarf!

http://msue.anr.msu.edu/news/other_benefits_of_plant_growth_...
Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Jan 9, 2016 9:34 AM CST
I suppose you meant this one,
https://www.google.co.uk/search?q=cosmos+bipinnatus+sonata+c...
the photo showing where it says: Cosmos bipinnatus hybrid with
Cosmos atrosanguineus. Yes, that really fits mine in all aspects!

I really don't like that nurseries use that stuff to inhibit natural growth in plants, I always hope the plant quickly grows out of that growth inhibitor to look more natural.. Rolling my eyes.

Thanks a lot! I consider this one as solved! Thumbs up

edit because the info of it being a hybrid is wrong, it is a compact series of Cosmos bipinnatus..
[Last edited by bonitin - Jan 20, 2016 2:44 AM (+)]
Give a thumbs up | Quote | Post #1027329 (8)
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Jan 9, 2016 9:48 AM CST
Thumbs up Thank You! Acorn Acorn Acorn nodding

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