Natural Weed Killers: A Guide to Organic Herbicides - Lawnstarter
EcoSmart 64 oz. Natural, Glyphosate-Free Weed and Grass Killer with Plant-Based Rosemary Oil, Ready-To-Use Spray Bottle ECSM-33630-01EC - The Home Depot
SNS WeedRot Naturally Systemic Herbicide
Weed Zap (quart) - Grow Organic
RootWave Pro - chemical free weed control for professionals - YouTube