Weed Killer CostcoThere's some kind of weed killer based off of pea extract that's supposed to be a selective kill-to-root option, but it's very slow-acting. Garden Weed Preventer Plus Plant Food 5. 2245-sq ft Pre-emergent Herbicide. Because powder and granular weed killers also include fertilizer, they’re used for a different purpose and not really comparable to liquid weed killers. But Costco is still cheaper than most lawn and garden stores. The Eco Garden Pro Organic weed killer contains high-strength vinegar for effective natural weed eradication. Turf Builder Southern Triple Action 26. 5 Gal Weed & Grass Killer | Costco. Weed B-gon 1 gal. BEST FOR LAWN: Chapin International G390 Lawn Hose End Sprayer. BEST BANG FOR THE BUCK: RL FLOMASTER Chameleon Hose End Sprayer. Roundup Grass and Weed Control 1 L Concentrate. It’s glyphosate-free and is safe to use in vegetable gardens when applied directly to weeds. Extended Control Weed Preventer 897 (789) Questions & Answers (69) +5 Hover Image to Zoom $ 25 97 Pay $0. Ortho GroundClear Weed and Grass Killer is a scorched-Earth solution that works on contact. 5000-sq ft Pre-emergent Crabgrass Control Model # 2464064 Find My Store for pricing and availability 24 Preen. 65 Free Shipping* Compare Product Quantity Selections In Stock. I'll post new items when they're stocked at my local Costco. 50-ft x 3-ft Commercial Grade 3x50 Weed Fabric Professional Gardening Patio/Playset Landscape Fabric. Ortho GroundClear Weed & Grass Killer 2/1 gallon $28. 99 (Item #1299583) Preen Garden Weed Preventer 22 lbs $32. Some users felt that it didn't work fast enough. 99 After $40 OFF DynaTrap 1 Acre LED Insect Trap (0) Delivery Unavailable Compare Product. Use Weed B Gon with a tank sprayer or the Ortho Dial N Spray. 33 Hi-Yield Weed & Feed Granules 15-0-10 18 lbs Now $22. Pest Control & Insect Repellent. Extended Control Weed Preventer 13. Earlier this month, a California jury ruled. Find a great collection of Weed Control Landscaping at Costco. Costco is reportedly dropping Roundup products from its stores following a lawsuit involving a couple that claim the weed killer caused their cancer. This product is approved for organic gardening. (3) Delivery Unavailable Compare Product Select Options $78. With a nutrient-rich formula, the moss killer is made up of iron ingredients and other chemicals helping to get rid of moss and weeds after a quick 2-day application.