Q.potted indoor lime and lemon trees
I have an indoor lime tree and a lemon bush that seem to be healthy in that there are numerous blossoms and the leaves have not dropped very much. I pollenate the blossoms using a soft artist’s brush and fertilize )two tablespoons) the tree every two weeks and water it every week as recommended by the English Garden expert. I am careful not to over water. Small fruit appear, but they do not mature. What am I doing wrong and what should I do to correct the problem?
I would suggest increasing the light. Then here comes the hard part; thinning the fruit!
Here is a link with more information.
https://www.gardeningknowhow.com/edible/fruits/citrus/fruit-thinning-citrus-rees.htm