rote 1. (rÅt) n. 1. A memorizing process using routine or repetition, often without full attention or comprehension: learn by rote. 2. Mechanical routine.
Desert Rose Leaves Turning Yellow and Falling Off. The leaves on my desert roses in the front of the house, which doesn't get sun until 11 am (western exposure), are turning yellow and falling off. They do get a couple of brown spots on some of them before they turn yellow. I have sprayed them with fungicide a couple of times.
Here are the most common reasons for yellowing leaves: 1  Normal aging. 2  As many plants age, the lower leaves will turn yellow and drop off as a normal part of growth. 3  This is especially true of foliage plants like dieffenbachia and dracaena. 4  In this case, don't worry.