It may not be possible; typically only three kinds of times are recorded on Linux filesystems (and reported by the tools): access, change and modification. If you want to know a creation date for some reason, you should record it yourself somewhere when you create the directory. See for example
for some more information.
The size of the directory can mean several things, in the simplest case either the size taken by the "directory itself", or the size of all the data "contained in the directory". See