How To Build Porch For Travel Trailer Gardening In An Apartment?

Gardening in an apartment? - how to build porch for travel trailer

I live on the third floor of an apartment building. I have no space in front of the other tenants, and against my veranda is the shadow of 90% is protected (it is a tree gordeous leave it blank). I wonder what kind of plants in the shade and can be kept in pots, because I am on the third floor. And is expected to move in late summer, and I take with me, something that travels well.