Jobe's Organics, 4 LB, 4-4-3, Herb Granular Fertilizer With Biozome, Provides Your Herbs The Nutrients They Need For Healthy Foliage & Beautiful Blooms Throughout The Season, Biozome Is A Unique & Proprietary Blend Of Beneficial Microorganisms That Improve Long Term Soil Quality By Adding Beneficial Microbes That Naturally Re-Establish A Balance Between Plant & Soil, Can Be Used For Organic Gardening & Contains No Harmful Chemicals That Could Harm Plants, People, Or Pets, Apply Every 4-6 Weeks As Needed.