Bee Balm Plant Trimming. This will encourage the plant to send up another blossoming stem. Shorten very tall bee balm plants by pruning before they bloom if you wish.
The bee balm plant is a repeat bloomer which means that after one bloom fades a new one replaces it. 28112018 Thinning the stems also helps reduce powdery mildew infections by increasing air circulation around the plant. Cut Back After Flowering.
Ensure you water the soil not the plants to prevent mildew.
The plant is kept fresh and alive. Prune in Late Fall. Bee balm thrives in full sunshine. Dig a hole for the root ball of the plant and then fork in some organic compost.