Monstera Leaves Not Dark Green. Its large thick leathery leaves are glossy dark green when mature measure 2 to 3 ft long and are deeply cut and perforated with oblong holes. In addition the characteristic window-like openings form in the leaf surfaces making the leathery foliage appear pinnate.
As the plant matures the newer leaves will slowly have more and more fenestrations. Dial in your watering routine. Unfiltered water containing adverse chemicals can also cause this issue.
Its not getting enough light.
Variegated Monstera has irregular variegation where parts of the leaf can be entirely green and other sections marbled-cream to greenish-yellow or. Once the leaf has started to turn brown there is often no going back for that leaf so we recommend pruning the dark parts of the leaf or removing entirely if the whole leaf has turned brown. Probably the most common reason your Monstera leaves are turning yellow is from the soil being too dry. Monstera adansonii leaves turn yellow because of an incorrect amount of water light and fertilizer.
