Rhododendron indicum chinzan #1
Satsuki azalea, variety chinzan meaning "rare mountain" in Japanese.
See: https://www.azaleas.org/view-azalea/?id=1208
December 2020
This 6 years old pre-bonsai was ordered from Bonsai Plaza in the Netherlands. It was originally imported from Japan.
Mars 2021
I repotted the tree in a pond basket in a mix of 90% kanuma and 10% pumice after cutting all its big roots.
May 2021
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: