I find planting on concrete and stones doesn't work very well. Much easier where there's some dirt for the seeds to germinate in. Here's a photo of a place where you can plant stuff. Just avoid the small concrete islands.You're right planting wont work.. they should buy mcdonalds instead.what do they eat until the crops come in?....Why not use food stamps for seeds and plant the seeds for food?
Plus all that land welfare people live on it should be easy to plant food
What land would that be?