At first glance, seed balls (or “seed bombs”) and guerrilla gardening may seem like creative, eco-friendly ways to beautify urban spaces and contribute to biodiversity. However, a deeper look reveals significant risks and unintended consequences that can harm ecosystems, disrupt restoration efforts, and undermine the very goals they aim to achieve. Environmental Risks of Seed Balls Seed balls, often composed of seeds, clay, and water, are designed to be thrown into areas where plants might grow without further care. While this sounds ideal in theory, the reality is more complex: Introduction of Invasive Species: The seeds used in seed balls are not always carefully vetted for compatibility with the local ecosystem. When non-native or invasive plants are introduced, they can outcompete native species, disrupt food…