Pennington Seed, Atlanta, on March 10 announced the relaunch of Pennington Smart Seed products. Pennington, one of the largest manufacturers and distributors of lawn, garden, and turf care products, and a subsidiary of the Central Garden & Pet Co. Walnut Creek, Calif., said Smart Seed products now feature the brand’s patent-pending fertilizer-enhanced seed coating system proven to speed seed establishment and promote greener grass.