Weed Zap is an all natural non-selective herbicide. Weed Zap "zaps" small broad leaf and grassy weeds. Its natural ingredients will eliminate plants that are 6 inches in height or less. These active ingredients are listed as food grade materials so Weed Zap is safe to use around children and pests. Weed Zap is an excellent tool for IPM programs and has a long residual effect. Weed Zap does not damage non-green, woody plant parts. Since Weed Zap is a contact herbicide, adequate coverage is important.Features100% biodegradableSuitable for organic productionKills most weeds under 6 inches in 12 hoursEffective on broadleaf weeds and grassLong residual effectSize – 1 pint