Green City Gardens is a Northbrook based company specializing in custom landscape design and installation, outdoor rooms, retaining walls, patios, walkways, four-season flowerpots, perennials gardens, flower beds, and snow plowing. Need a few shrubs and a flowerpot? Great! Need a top-to-bottom landscape design and installation for a 1 acre property? Absolutely. Green City Gardens gives every project, no matter what the size, the attention to detail that it deserves.