Answer: The brownish leaves can be a result of winter injury or an indication the soil is over-saturated. You've fed your plants enough for the season so hold off on additional feeding; daily watering is extreme for azaleas. You'll want to adjust your watering schedule right away. Azalea's do best when they are deeply watered once each week. Apply water slowly so it has a chance to trickle down and saturate the soil, then don't water again until the top inch of soil is dry. Young azaleas often set more flower buds than they are capable of opening, and since flower buds are developed the summer before, some are likely to suffer winter damage. So, it isn't unusual for some of the flower buds to fall off instead of opening. Don't feed your plants any more this year. Next spring you can feed after they have finished flowering. Adjust your watering schedule and your plants should be fine.
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