Also, look for scale insects, mealybugs, and fungus gnats on your ZZ plant. You might mistake scale insects for a plant disease since they look like little brown or gray lumps on leaves and stems.

ZZ plants require virtually no pruning ... (Leaf discoloration can also be caused by watering issues or a fungal or bacterial disease.) If you actually see small pests on or around your plant ...

The exception is my ever-blooming ZZ plant, which has so far been the only greenery in my apartment that has managed to thrive through my neglect. Even easy houseplants like philodendrons and air ...