44+ Azaleas Turning Brown. Browning azaleas are most likely suffering from windburn, a condition caused by cold winter winds. It's at least 4 years old (when we moved in here).
Azaleas will drop many, but not all they're leaves while going dormant.
Potted azaleas are grown in almost pure peat so to keep the rootball moist submerge the pot in a bucket of water until the air bubbles stop rising the allow the excess water to drain off. Potted azaleas are grown in almost pure peat so to keep the rootball moist submerge the pot in a bucket of water until the air bubbles stop rising the allow the excess water to drain off. If your houseplant has been getting brown at the very tips or edges of question: It's not unusual for azaleas to turn at least somewhat brown over winter.