StuffBlaster · Outdoor

Cheapest Weed Killer

Cheapest right now: Spectracide at Walmart, $0.062 per fl oz. Updated Jun 9, 2026

Every brand we track, ranked by per fl oz — in-stock prices only, no sponsored ordering.

Spectracide name brand

  1. Walmart$0.062 per fl oz · $7.97 pack · as of Jun 8

Roundup name brand

  1. Walmart$0.156 per fl oz · $24.92 pack · as of Jun 8

Search the full index →