Check out more gardening tips in our family blog at http://www.countrylivingfamily.com. In this video I show how to support and prune 4 week old tomato plant… Question by Phyllis W: What causes the base of tomato plants to turn black and white fuzz? The base of my tomato plants have turned black with a white fuzz on them. The ground around the plant is also turning white like a calcium deposit is building up. My sister used Miracle grow on the plants them added epson salt around the base of the plant. Best answer: Answer… Read Article →