old bonsai

I’m pretty new to bonsai, have Experience with plants and “full” size trees from growing food to landscaping and lawn care. I have about 6 bonsai and I just picked up this old elm ( nursery estimated it around 100years old) for a great price, they said it has been declining over the last few...

I have a 30+ year old Scots Pine in a 5 gallon pot that has only received water and never left the pot. I would like to prune and shape it. I am wondering if there are any extra considerations I should have when pruning such an old, pot bound tree. Also, how much of the roots can I remove, say...

Hello I'm new here. Also english isn't my first language so ignore spelling mistakes. I inherited a around 20 - 25 year old natal plum bonsai but never had bonsai before so no idea what to do with it. It's around 1,10m tall (with pot) and been pruned I think it's called last winter. Currently...