BioAdvanced 29-fl oz Concentrated Lawn Weed Killer

BioAdvanced season long weed control for lawns - kills existing lawn weeds and prevents listed weeds from emerging for up to 6 months. Post-emergent kills existing listed broad leaf weeds and pre-emergent prevents listed broad leaf weeds for up to 6 months. Won't harm lawns. Apply anytime spring through fall when temperatures are between 50 and 90 degrees. Rainproof in 1 hour.