Home > Products > Lawn & Garden > Fertilizer > SCOTTS 15M STEP 1 CRABGRASS PREVENTER PLUS FERTILIZER SCOTTS 15M STEP 1 CRABGRASS PREVENTER PLUS FERTILIZER Log in to see availability and pricing. Item Number: SC3315 Case Qty: 1 Min Qty: 1 UPC: 032247033152 Manufacturer: Scotts Ortho Business Group MSRP:$87.99 Manufacturer Number:33160 Product Description Product Availability Apply in early spring: February to April. Prevents crabgrass all season. Feeds for a fast green up after winter. Log in for warehouse specific availability.