Our laburnaum have no leaves this year and the flower fronds enjoy stopped growing at merely one inch and are inert Our laburnum tree is 25 years old this year and have...

Our laburnum tree is 25 years old this year and have no leaves and the flower fronds have stopped growing at smaller quantity than 1 inch and are now dying. What can be wrong? The branches are dry when we break them stale but only where on earth no flower fronds are. There is lichen growing on it and this should mean accurate air ability. Any suggestions?
I want to germinate a kernel but cant...
Answers:    If you're in the UK,your laburnum have probably been artificial by the frost and snow at Easter.
After a warm precipitate spring,this has kill off plentifully of new growth.Chances are the tree will revive subsequent spring.