Most likely the are watered too much.
No. The beetle does not turn the tree blue.
Pine trees leaves do not change colour during autumn, as they are evergreen trees.
"Pine trees do not have leaves that turn different colors in autumn."
No, pine trees do not have leaves. They have pine needles that have a waxy coat on them. People refer to them as pine leaves sometimes, but that isn't what they are.
They can be several colors, depending on the species. Most are green when growing, and turn yellow/green when ripe. The inside of a ripe pineapple is yellow.
carotens
Pomegranate trees turn yellow in autumn winter before shedding their leaves.
i planted mustard greens , it is about 3 in. tall and has turned yellow, what is the problem with it, also is it good to eat when yellow.
The trees that turn yellow in the fall are deciduous species, such as the oak, elm, willow and maple, to name a few.
If it is Araucaria excelsa the Norfolk Island pine, it will have been stunted by the roots being potbound. When planting tease some of the root ends out of the rootball or they tend to stay restricted. It will possibly never reach full glory but should make a nice tree.
The kinds of trees that have needles, rather than flat leaves, are evergreens. The needles do not turn yellow. They are ever green.
it gets damaged pretty colorfully. its leaves turn yellow and it's a lot weaker