>>1733613Just make sure soil pH is in the acidic region, they don't like alkaline at all (it usually shows in leaf chlorosis - yellowish green and weak growth). I have clay soil full of lime (pH 7-8) so I only have one potted in rhododendron soil (pH 4-5). Bought last year, had some fruits (instructions said no pruning recommended at all), now this year it already has significantly more flowers