I've got a litchi plant grown from a seed that isn't to happy. I keeps getting new leafs, but each time a fresh set appears, the old ones gets brown. It seems unable to carry more than two pairs of leafs simultaneously. It's placed in a south oriented window in southern Sweden which this time of year means quite a lot of sun and warmth.
I've tried giving it rain water (which I've read it would prefer) and watering it only when the soil is no longer wet. But, nothing seems to boost it's growth. Any ideas?