Mid Atlantic Gardening forum: Cosmos: Overwintering?

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Name: Annie
Waynesboro, PA (Zone 6a)
Cat Lover Keeper of Poultry
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LysmachiaMoon
Aug 20, 2014 6:20 AM CST
Has anybody ever heard of digging up Cosmos roots and overwintering them as you would dahlias? I swear I heard this on the BBC but it went by *whizz* too fast for me to be sure. They were talking about chocolate cosmos at the time and I wondered if it was ONLY this variety. I know, I know...post this to the Questions forum. *LOL* But I wanted to see if any of us in the MidAtlantic (which has sorta like UK temps) ever did this. THANKS!
The end is nothing, the journey is all.
Name: Karen
Baltimore, MD (Zone 7b)
typwc
Aug 20, 2014 6:41 AM CST
Hi Annie,
I have no experience but I imagine that you could potentially dig up any cosmos, based on what I read on Wikipedia: http://en.wikipedia.org/wiki/Cosmos_(plant)

But I am curious as to why you'd want to do that since they are so easy to grow from seed? I'm all ears!
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Aug 20, 2014 7:14 AM CST
They grow from seed like crazy and I think the roots would dry up if they were dug. they are not tuberous or bulb or anything like that where they store their own moisture like dahlias, elephant ears ect.
Name: Catmint/Robin
Maryland (Zone 7a)
Region: Mid-Atlantic Butterflies Forum moderator Native Plants and Wildflowers Bee Lover Echinacea
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Catmint20906
Aug 20, 2014 4:00 PM CST

Moderator

I found them super easy to grow from seed. Overwintering on the other hand I find to be a challenge! Whistling

Chocolate cosmos--that sounds nice! :-)
"One of the pleasures of being a gardener comes from the enjoyment you get looking at other people's yards”
― Thalassa Cruso
Name: Catmint/Robin
Maryland (Zone 7a)
Region: Mid-Atlantic Butterflies Forum moderator Native Plants and Wildflowers Bee Lover Echinacea
Region: Maryland Garden Photography Cottage Gardener Garden Ideas: Master Level Celebrating Gardening: 2015 The WITWIT Badge
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Catmint20906
Aug 20, 2014 4:02 PM CST

Moderator

PS--you should always feel free to post any question here! Smiling
"One of the pleasures of being a gardener comes from the enjoyment you get looking at other people's yards”
― Thalassa Cruso
Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
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lovemyhouse
Aug 20, 2014 4:59 PM CST
Chocolate Cosmos (Cosmos atrosanguineus) is a perennial and, I think, different from the annuals many of us sow from seed, so perhaps that is why there was a discussion of overwintering?
Chocolate Cosmos (Cosmos atrosanguineus)
Common Cosmos (Cosmos bipinnatus)
If you don't ask, the answer is always 'no.'
Name: Catmint/Robin
Maryland (Zone 7a)
Region: Mid-Atlantic Butterflies Forum moderator Native Plants and Wildflowers Bee Lover Echinacea
Region: Maryland Garden Photography Cottage Gardener Garden Ideas: Master Level Celebrating Gardening: 2015 The WITWIT Badge
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Catmint20906
Aug 20, 2014 5:06 PM CST

Moderator

thanks, Debra! Sounds like a good one to add to my list! :-)
"One of the pleasures of being a gardener comes from the enjoyment you get looking at other people's yards”
― Thalassa Cruso
Name: Kyla
Richmond, VA (Zone 6b)
Composter Plant Identifier Organic Gardener Herbs Daylilies Sempervivums
Frogs and Toads Container Gardener Cat Lover Plant Lover: Loves 'em all! The WITWIT Badge Winter Sowing
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kylaluaz
Aug 20, 2014 5:46 PM CST
Oh, well, yes! And it says here: Chocolate Cosmos (Cosmos atrosanguineus) that it is grown from a bulb and may be overwintered inside in colder climates.

So, there ya go.

(Huh. I thought the orange one I am growing from seed, presumably the sulphureus, was the only perennial Cosmos. Guess not!)
Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
Image
lovemyhouse
Aug 20, 2014 8:35 PM CST
There is more than one? Cool!
If you don't ask, the answer is always 'no.'
Name: Catmint/Robin
Maryland (Zone 7a)
Region: Mid-Atlantic Butterflies Forum moderator Native Plants and Wildflowers Bee Lover Echinacea
Region: Maryland Garden Photography Cottage Gardener Garden Ideas: Master Level Celebrating Gardening: 2015 The WITWIT Badge
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Catmint20906
Aug 21, 2014 6:20 AM CST

Moderator

What I'm reading online is that Cosmos sulphureus is an annual that reseeds and so gives the appearance of being a perennial above zone 5. MoBOT calls it an annual.

It appears that the Chocolate Cosmos is a tuberous perennial in zones 7-9 that needs excellent drainage to survive outside in winter, so is often brought indoors.
"One of the pleasures of being a gardener comes from the enjoyment you get looking at other people's yards”
― Thalassa Cruso
Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
Image
lovemyhouse
Aug 21, 2014 6:38 AM CST
Good information to have.
If you don't ask, the answer is always 'no.'
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Aug 21, 2014 6:50 AM CST
so is chocolate cosmos actually a cosmos or is that just a common name to call it? I too had the little orange flower that reseeds every year.
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Aug 21, 2014 6:54 AM CST
http://en.wikipedia.org/wiki/Cosmos_%28plant%29

well seems there are a few different kinds but still all types of cosmos.
sounds like the chocolate cosmos actually smells like chocolate ?!
Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
Image
lovemyhouse
Aug 21, 2014 7:04 AM CST
That's what I have heard. It's been on my want list for awhile, but seems I either need the funds elsewhere or, when I have the funds, it is always out of stock. Sticking tongue out Hilarious!
If you don't ask, the answer is always 'no.'

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