Chocolate Cosmos = Cosmos atrosanguineus

David Pilling
Sun, 24 Mar 2013 07:27:44 PDT

In message <>, Bulborum Botanicum
<> writes
>I plant them just as Dahlia

That is what I was thinking, in Dahlia the tubers are joined together at one point - the base of the old
stem, that is where the new shoots come from, and that is the bit one puts topmost just below the soil.

There are a couple of wiki photos (which are not ideal for explaining this point). In the Cosmos one the
stem is at the top right (you plant stuff the same way it came out of the ground). The Dahlia photo is of
the 'eye' or new shoot at the top of the bunch of tubers.……

David Pilling

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