Black spots on yucca leaves aren’t random blemishes, they can indicate problems that can threaten the plant’s health. These may be the result of fungal or bacterial disease, pest infestations, excess moisture, or environmental damage. Learn about 5 causes of black spots on yucca leaves in this guide. Read more now. The post Black Spots on Yucca Plants: Five Causes and Solutions appeared first on Gardener's Path.