Brachychiton indoors

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Hello,

 

I am working on a project that requires indoor trees and I wonder if any of you has any experience with growing Brachychiton populneus as a container tree indoors (to be more specific, in a mall). I was thinking of a container of at least 1 cubic meter. Will it hold its leaves in the "winter" or it will behave as an evergreen? Any other trees you would use (besides the ubiquitous Ficus benjamina, lyrata, elastica,...)? One of my choices is Howea forsteriana, but I want something else.

 

Thanks,

Fran

 

Madrid, Spain