Aloe vera leaves develop brown spots during winter due to effect of frost.
43+ Aloe Plant Leaves Turning Brown. To save the plant, it was placed in a greenhouse where it wouldn't be watered by gardeners, receive rainfall, or be exposed to cold night temperatures. This aloe vera plant was completely yellowed, and the outer leaves had turned a light brown colour.
Sad Aloe Ask An Expert from ask.extension.org
When you do water the plant, do so thoroughly so you soak the soil. Plant mom's tips for when your aloe's stalks are turning brown and mushy. If your tree has been prolific prior to this problem, and has a good solid root structure, it will probably regenerate foliage over time once it is consistently receiving enough water.
Like many aloe species, the most popular aloe, aloe vera, has adaptations to protect it from sun damage in its hot, bright native environment.
Aloe turning yellow due to care mistakes and improper watering. Keep in mind that it might be perfectly natural for the lower leaves on your plant to first turn pale yellow, then turn brown and drop off. The aloe vera plant is characterized by its variegated leaves that branch out from its center. Why are those leaf tips turning brown?