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Technically, dandelions aren’t bad for your lawn, and they don’t directly kill grass. In fact, they appear in areas that are nutrient-deprived, and their long taproots can loosen the soil and bring nutrients closer to the surface. 

However, dandelions do spread quickly, and they can take over your lawn, eventually crowding out grass. This is why a healthy lawn is the best defense against dandelions.

Look for a broadleaf herbicide, one that has been formulated specifically for dandelions and is considered grass-safe.

If you have a lot of tree roots in your yard or have experienced issues in the past, you should use tree root killer every six months to prevent roots from infiltrating your pipes. If you have an active invasion and aren’t seeing results, check the instructions on the bottle to see how often you can use it in a short period of mine.

Like sugar, the common household staple baking soda has uses in the yard. Baking soda boosts your plants to resist pests, fungal growth, and more. So, baking soda is good for your plants in certain instances, but exercise caution, as using too much could kill your plants. It’s great for hunting for pesky weeds, but not great for tending to a sensitive garden.