Rhododendron indicum chinzan #1
This 6 years old pre-bonsai was ordered from Bonsai Plaza in the Netherlands. It was originally imported from Japan.
I repotted the tree in a pond basket in a mix of 90% kanuma and 10% pumice after cutting all its big roots.
The flower buds are expending since the end of April and getting their colors in the middle of May:
And two weeks later the tree is almost in full bloom: