my new potted cherry trees leaves are turning yellow. i have south facing balcony. and i water it well. full sun all day. i do not see any bugs or mildew or fungus. please help
What potting mix are you using?
Repotting may be necessary if it is hold water too long and not enough aireation in the potting mix. I had a similar problem with my snowfountain cherry and amended the mix with pinebark fines, perilite, spagnum peat,potting mix.