Q.Pittosporum Garnettii , Leaves Are Curling And Falling Off
My pittosporum was in a large pot when it started dropping leaves ; so I planted it in the ground , it’s still dropping leaves and it’s branches are looking quite bare . We have had a very dry spring so I have watered it well and followed all instructions of planting ?

Certified GKH Gardening Expert
This can be normal for transplant shock. This will be exacerbated by disturbing the roots while transplanting.
Care will include making sure that the water level is perfect. Too dry and leaf loss can occur. Too wet, and you will be met with the same symptoms, and possibly black or brown spotting.
As long as you wait until the ground is completely dry down to about 3 or 4 inches between watering and care for it as it should, then it will come out of shock within a few weeks.
Here are a couple of articles that will help:
https://www.gardeningknowhow.com/ornamental/shrubs/pittosporum/growing-japanese-pittosporum.htm