The flowers are so scented they fill the room & will have to be hand pollinated with a feather.
There are 3 large lemons on the older tree & 5 smallish lemons on the shrubby plant. Probably should have removed some of those. Hopefully they will be ripe by Christmas.
I bought a granular citrus fertilizer & applied every month but the dark green leaves & healthy crop of flowers I also put down to my homemade liquid comfrey concoction.
There is lots of advice from YouTube videos on how to grow these tropical trees. I like the one from Logees. https://www.youtube.com/watch?v=DooPww-e8Xk