The plant is either over fed, over watered, or given too much direct sunlight...or all of the above
The tree has a fungal disease.
My parents have an apple tree in their yard. In autumn the leaves turn a bit yellow, but I wouldn't say they are pretty. It's usually a pale yellow with brown spotting. From there, they quickly turn completely brown, curl up, and fall.
Well, it depends on the season.
it is dying stupid
In the summer a trees leaves are green... they don't turn colors until autumn
The Chloroplasts in the leaves die.
why do the end of the leaves on my peace lillie turn brown on the tips
When humidity is going up and storms are coming, trees turn their leaves over to help absorb moisture. Seeing the leaves curl in this way is a good predictor of rain.
yes if it has been spread on the leaves(scorching)
well there is a type of flower to where if you touch it the leaves will turn brown and die
A curl in football is a receiver's route where he will usually run about five yards then turn around.
A curl pass pattern, also known as a hook, is when the receiver heads downfield approximately 10 yards and the turns abruptly back towards the quarterback, squaring his shoulders. A Curl In is when the turn is towards the center of the field and a Curl Out is when the turn is towards the sidelines.