Compare Spring Lawn Fertilizers GreenView Premium Formula Spring Fertilizer Weed & Feed and Crabgrass Preventer GreenViewBroadleafWeed Control+ Lawn Fertilizer with GreenSmart® GreenView Premium Formula Spring Fertilizer with Crabgrass Preventer GreenView Crabgrass Control+ Lawn Fertilizer with GreenSmart® GreenView Premium FormulaLawn Fertilizer GreenView Lawn Fertilizer with GreenSmart® Guaranteed Analysis 24-0-6 27-0-4 26-0-5 5-0-10 28-0-5 28-0-4 Prevents crabgrass Yes No Yes Yes No No Kills dandelions and other broadleaf weeds Yes Yes No No No No Feeding length 6 Months 12 Weeks 6 Months 6 Weeks 6 Months 12 Weeks Percent slow-releasenitrogen 66.3% 30% 65.5% 57% 62.7% 30% Phosphate Free Yes Yes Yes Yes Yes Yes Cost per bag: 4,000 sq. ft. bag $32.95 $27.95 $19.95 5,000 sq. ft. bag $22.95 $21.95 $18.95 10,000 sq. ft. bag $71.95 $56.95 $41.95 15,000 sq. ft. bag $58.95 $56.95 $47.95