Yellow brown spots appearing on my Monstera : r HouseplantsUK Monstera Deliciosa Leaf Showing Signs of Diseases and Fungal Spots Stock Photo Image of wilting, texture: 384499668 Had to bring my Monstera home from work due to frigid temps in my office, and she inspired my first grow light setup. Even the shadows of this plant are cool! : Botanical Monstera Deliciosa Petals by Priya Your plant won't say it but it's definitely showing it. Brown edges, yellowing leaves, mushy stems These aren't random they're warning signs. Ignore them and it gets worse.