Hi I have a Japanese Maple which has lost a lot of leaves. The leaves are curling and going brown at the tips before eventually falling off.

I have read lots of websites which tell me to give it deep watering which I have been doing for a couple of months now. I have also transported it into a larger pot one months ago however I am still seeing no improvement.

The tree is not in harsh sun.

It is almost bare....can you please send through some advice as I do not want to loose it. It has sentimental value to me.

Thanks.