first week of flowering :
So far everything goes without problems. I really like how small the trees are, I hope the flowers won't be so small ๐. As a preventive measure I spray the plants with neem oil (against infestation by silkworms and similar bugs).
Tomatoes grow like crazy, so do strawberries and I have a little helper too ๐น.
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soil : plagron allmix
Looking good so far, It is indeed the lack of sun why your plant is staying a bit small. But better days are coming hopefully so perhaps she will get a spurt.
Good luck ๐๐!