Monstera Has Yellow Leaf. The most common causes of yellow leaves on Swiss Cheese Plants are. If you notice the lower leaves especially the oldest leaves are turning yellow go ahead and feel the soil.
It is an older leaf not fenestrated near the bottom of the plant. Consequently exposure to low humidity can make their leaves turn brown. When pruning your Monstera use sharp clean shears and cut any excessive growth at the base of the stem.
At the same time rotted roots should be removed and the rest sprinkled with charcoal.
Snip off the affected leaves and check any neighboring plants for signs of disease as this can be contagious. Prevent bacterial and fungal diseases by keeping your Monsteras leaves dry. This past week the leaves have slowly started to turn yellow and Im having trouble figuring out why. Pruning - Remove dry or dead leaves all year round but save any major pruning for the spring and summer months.