Related: Garden Consultant Has Great Advice for Keeping Plants Looking Their Best ... started to rot we were sold on these blocks. Not only does using cinder block mean it will last longer ...

A new type of porous concrete supports the growth of plants, including vegetable crops, and could make cities greener. Credit: piranka/Getty Images A new type of porous concrete that provides ...

making sure to play around with how you place your cinder blocks. You have flexibility to keep the blocks on the edges or let the shelf extend past the supports so they can hold cascading plants ...