You can also just have brown leaf lips if you are not properly watering.
41+ Ligustrum Leaves Turning Brown. The spots start out on the outer edges of the leaves and progress. If left to run rampant, the fungus can kill not only your beautiful the spots start out as small, yellow circles that grow and eventually turn brown.
Gisd from www.iucngisd.org
Edges of hydrangea leaves turning brown. Variegated chinese privet (ligustrum sinense 'variegata') has leaves with bright, creamy yellow water movement is stopped beyond that point and results in a rapid wilting or browning of foliage. Crepe myrtle leaves turning brown—with the whole leaf turning brown or browning along the edges and sometimes accompanied by curling—is different from the emergence of brown spots in the middle of the leaf.
Brown wrinkly leaves most often indicate too little water at some point.
They were planted/fertilized in may, recieves full sun w/good drainage. Why are those leaf tips turning brown? 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. Flowers are very pungent and may induce asthma in some people.
