Bonide Crabgrass Preventer ia an easy to use shaker jug for small yards and ornamental beds. Pre-emergent control for grassy and broadleaf weeds. Dozens of tolerant ornamentals listed. Non-staining. For Northern and southern turf grass species. Depending on rate used, one application can last 2 to 4 months and even have some early post emergence effectiveness. Package size is 9.5 Lb. Bag.