Ficus Bonsai without leaves
All I have left of it is the stump, can I revive it? If so, how? Any info will help. Thanks
What conditions led up to your ficus bonsai losing its leaves?
Here is an article that discusses why ficus tree lose their leaves and courses of treatment:
If none of the information in the above article resonates with you, then I would examine your tree's root system to determine if it has become pot-bound (if so, re-pot in larger pot) and to see if it still has a healthy root system. Examine the roots for signs of rot, such as discoloration and a mushy texture. If there is evidence of rot you will want to prune away the damaged roots and re-pot your ficus in fresh soil.
Additionally, I would read the following article for a refresher on ficus care and make sure you are doing everything right: