What makes Boston ferns more green when they fade?
What Makes Boston Ferns More Green When They Fade?
Certified GKH Gardening Expert
If the plant is losing color, then it likely has a nutrient deficiency. This could be a lack of nitrogen, iron or even a micro nutrient as well. If it's lacking nitrogen, I would fertilize the plant with a complete, but nitrogen heavy fertilizer. Here is more information that could help: https://www.gardeningknowhow.com/plant-problems/environmental/leaf-chlorosis-and-iron.htm