The cocoa tree - Theobroma cacao, is a moderate sized tropical forest
tree to around 40ft. requiring high temperatures and humidity
throughout the year. Seed has a rather short viability span once
removed from the pod, Furthermore (if my memory serves me correctly),
the seed needs an associated mycorrhizal fungus in order to germinate
properly and would therefore be unlikely to germinate successfully in
normal compost. Outside of its native haunts of Central America, it
is difficult and rather exacting to grow and is almost certainly not
able to withstand the conditions of the average home. Sorry to put a
damper on such aspirations, but this one ain't 'one for the pot'.

Dave Poole
TORQUAY UK