GK-Organics Seaweed PowderPotent Seaweed Extract Massively Enhances Root Growth and Development This organic vegan Seaweed booster is loaded with micronutrients and growth enhancing natural hormones, making it ideal for boosting root growth. This in turn has profound effects on the rest of the plant. It's especially beneficial early on, while root systems are developing. This helps your plants to build up solid foundations that will allow them to reach their full potential