Blight Plant is a term used to describe plants that are affected by a variety of environmental conditions, such as air pollution, water pollution, and soil contamination. The two crossword solutions for this term are EDEMA (5 letters) and SMOG (4 letters). EDEMA is a medical condition caused by an accumulation of fluid in the body's tissues, while SMOG is a type of air pollution caused by the burning of fossil fuels. Both of these conditions can have a negative effect on plants, leading to a decrease in their health and productivity.