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Chocolate Cosmos (Cosmos atrosanguineus)
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$9.00
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2.20.17 SOLD OUT

Chocolate Cosmos have swept the gardening world by storm in recent years. Plants form a medium-sized clump of dark green leaves, bearing cup-shaped blooms of deep burgundy-red, with the distinctive fragrance of dark chocolate.  They bloom until frost and make a fabulous cut flower.  Clumps get larger each year. Sun. Well drained soil. Hardy to 20 degrees but can be lifted and stored like a dahlia for the winter. Growing in pots and moving the pots into a garage for the winter works well too. 

Plants shipped after December 1st ship as bare toot tubers.
Details:

SOLD OUT of bare root tubers.  

Chocolate Cosmos have swept the gardening world by storm in recent years. Plants form a medium-sized clump of dark green leaves, bearing cup-shaped blooms of deep burgundy-red, with the distinctive fragrance of dark chocolate.  They bloom until frost and make a fabulous cut flower.  Clumps get larger each year. Sun. Well drained soil. Hardy to 20 degrees but can be lifted and stored like a dahlia for the winter. Growing in pots and moving the pots into a garage for the winter works well too. 

Plants shipped after December 1st ship as bare toot tubers.

HOW TO OVER WINTER CHOCOLATE COSMOS
Here's the scoop...Chocolate Cosmos are tender perennials (originally from Mexico) and their root systems are tubes, similar to dahlias.  They can handle cold to USDA Zone 7 (10 degrees F) however they cannot handle wet winters and the tubers will rot if they do not have excellent drainage.
 
If you are in a zone colder than zone 8 or in a wet area like we are here in the Pacific Northwest you have a couple of options:
 
1.  First, cut off any top growth to about 2" above soil level and if you have your plant in the ground, carefully lift the whole rootball with a garden fork and replant in a pot and let go dormant in a garage (or root cellar or other cool but not freezing area). You could also simply store the ball of tubers as you would dahlia tubers, in a box of sawdust or peat moss.  Either way there is no need to water (slight moisture is good so they do not desiccate and wither) the tubers will be dormant for the winter.  Plant back outside in April.  Do not store them in a heated space or they will not go dormant and will start to sprout. 
 
2.  If you have your Chocolate Cosmos in a pot and you are in a Zone 7 or 8 but are concerned about wet winters, simply pull the whole pot into the garage or under an eve and let them go dormant.
 
If you still have questions email me: marie@chocolateflowerfarm.com and I will answer any questions you might have about overwintering Cosmos.
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    Chocolate Flower Farm
    5040 Saratoga Road, Langley, WA  98260

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