

Roots happen to be the most important part of the plant and if they are compromised, the entire thyme plant’s leaves can turn color and the plant can die. Usually, an excess of water immediately affects the roots, concentrating on the lower extremities of the plant. The most common reason behind thyme leaves turning black is excessive moisture that saturates the plant, making it rot and the leaves turn black, and possibly dying thereafter.

#Thyme leaves how to#
You can avoid thyme leaves turning black by reducing moisture, offering protection against cold/frost, providing adequate sunlight, preventing/curing fungal diseases, limiting exposure to extreme heat, avoiding high-Nitrogen fertilizers, and frequently pruning your thyme.Īlso, don’t forget that thyme leaves turning black could be due to aging and a sign that your thyme is dying naturally.Īlso read: How to Fix Thyme Leaves Turning Brown? 1. Many people think their herb is dead when its leaves turn black, but that’s only because they don’t know how to fix thyme leaves turning black!
