rot

I am an absolute newbie when it comes to bonsai, and am in need of help I inherited this particular tree from a now deceased relative, so I don't know what species it is I bought some specific bonsai feed that said to be used once a week (twice during growing periods) - if anything I've been...

I'm new to bonsai, I have around twenty trees but have only started bonsai this year so my experience is minimal. I recently bought what is claimed to be a shimpaku juniper online and encountered something I've never seen before, and from what I've researched, is due to an unhealthy root system...