How we grow sweet potatoes : r vegetablegardening Beginner Tips for Growing Plumper Heirloom Tomatoes This is a very extreme example, I actually poured undilutted fertilizer in the soil. Most people won't do that, so you will usually see the damage from overfertilizing as leaf tissue necrosis, as I've Soil Moisture Meter Outsunny 29 Inch Outdoor Planter, Set of 2 Plastic Flower Pots, Weather and UV Resistant Stackable Large Planters, Brown