Construction, Roadside, and Pipeline Remediation Mix (Mix 153), 1 PLS Pound, True Native Seed (Northeastern US) FREE SHIPPING 1 pound of Mix #153 (CONSTRUCTION, ROADSIDE & PIPELINE REMEDIATION MIX) Species is US Native, not introduced alien We grow the seed so we control quality A Construction, Roadside and Pipeline Remediation Mix containing 8 species of native grasses, 1 species of introduced annual cover crop grass, and 6 species of native wildflowers. The number of seeds in a pound of each species is used to calculate the amount of seed of each species that is needed in this mix.