Weed Zap ™ Natural Non-Selective Herbicide Weed Zap is an all natural non-selective herbicide. Weed Zap “zaps” small broad leaf and grassy weeds. It’s natural ingredients will eliminate plants that are six inches in height or less. Weed Zap is a broad spectrum herbicide that is suitable for organic production. Weed Zap is 100% biodegradable, which makes it an environmentally smart product to use around houses, schools, parks, playgrounds or anywhere people and pets are present. It is derived from essential oils and other natural ingredients. These active ingredients are listed as food grade materials. It is safe to use and EPA exempt from registration under FIFRA Sec. 25b. © Copyright 2012 SaferGro Laboratories, Inc.