Bee Balm Plant Leaves Turning Yellow. All I could find about small new lower leaves yellowing was either a nitrogen deficiency or a deficiency in a micronutrient that helps uptake of nitrogen. I have a Monarda Bee Balm that I planted out in early May.
If the infection becomes severe the plant. 07052020 Bee balm will succumb to root rot in cold wet soil during the winter months. Dividing or disturbing the rhizomes every 3 years or so helps keep them healthy.
Yellow Leaves on Bee Balm.
Could it be due to all the rain we had this spring. Why are my bee balm leaves turning yellow. It can also be beneficial if sprinkled Epsom Salt on the plant. Most gardeners first notice that they have stalk borers when the plants begin to wilt.