Providing proper soil moisture (or lack of moisture) is important in caring for a yucca cane.
32+ Black Spots On Yucca Leaves. Let's dive in in the causes. Yellow yucca leaves are an issue most commonly attributed to overwatering.
Yucca Brown Mushy Spots On The Leaves Gardening Landscaping Stack Exchange from i.stack.imgur.com
One of the most common culprits while growing basil is downy mildew. Choose a location where the yucca leaves are sharp. Asparagaceae yucca brevifolia, the joshua tree is a typical species of the mojave desert in califonia, arizona, nevada and northwards to utah.
Most people will focus on pseudomonas cichorii or downy mildew infections.
Notice the dark spots on these leaves. It usually occurs on the upper sides of leaves, but can also develop on the undersides. However, there are several of these trees growing to enormous sizes around this town, gainesville, in northern florida. The black spots are a fungus disease called tar spot.
