If you're struggling to get the perfect lawn, or if it's suffering from disease and fungal problems, you may be desperate to try some new tricks that can help it thrive. To improve the health of your grass, you may want to consider cinnamon as an organic lawn care alternative to common chemicals. Some experts state that sprinkling some cinnamon may help prevent the spread of lawn diseases as it has antifungal properties that can help eliminate common fungus-related issues such as powdery mildew.