Best for rose plants They are designed to be thrown or planted directly into the soil, where they gradually dissolve or break down, allowing the seeds within to germinate and grow. In this case, "Rose Bombs" would contain rose seeds, and by dispersing them strategically, you can initiate the growth of rose plants in various locations, creating a beautiful and natural display of roses. Rose Bombs as Seed Bombs Another interpretation could be that "Rose Bombs" are seed bombs or seed pods specifically formulated to grow beautiful roses. Seed bombs are small balls or capsules made of a mixture of clay, compost, and seeds.