Since it’s inception in 1999, vertical farming has developed from an experimental concept to a serious business opportunity that could enhance urban sustainability and resilience. Based on a simple concept of growing food where most people live, scientists and entrepreneurs have worked to reduce costs and overcome challenges. As City Metric writes, many issues have been resolved and discussions have moved on to more nuanced challenges. While not used for farming, Park Royal Hotel in Singapore illustrates the potential for natural growth on vertical buildings. However, many architectural renderings present unrealistic building outcomes. We may be on the verge of a transformation in how we feed our cities, but in the meantime, let’s keep our images and expectations realistic.