Herbicide How to: Understanding Herbicide Mode of Action Spray Smarter Usneoides (Spanish Moss) Gray Clump , On Hanging Wire! Eraser weed killer is a non selective, broad spectrum herbicide for annual and perennial weeds, woody brush, and trees. As a non selective herbicide, Eraser will kill grass, plants and weeds that are directly sprayed. Geek Bar Prices 2026 Every Model Compared