Rhododendron , also known as azalea, is a deciduous shrub known for its beauty when in bloom. However, in the process of planting azaleas, you may encounter the situation where the flowers and leaves dry up or even fall off at the touch of a finger. Let’s learn together how to remedy the situation when azalea leaves dry up and fall off when touched? 1. Excessive fertilization Overfertilization or application of high concentrations of fertilizer can cause root burn in azaleas, which can lead to plant wilt and leaf dryness. At this time, you should stop fertilizing immediately and dilute the fertilizer concentration in the soil by watering. At the same time, pay attention to applying appropriate amounts of fertilizer after the plant recovers. 2. Improper watering Over- or under-watering can cause leaves to dry out. Too much water can cause root rot, while not enough water can cause the plant to become dehydrated. To solve this problem, it is necessary to adjust the watering strategy according to the specific situation to ensure that the soil is moist but not waterlogged. 3. Temperature is too low Rhododendron is sensitive to low temperatures, and the suitable temperature range for its growth is 15℃ to 25℃. Low temperatures may cause the plants to freeze and the leaves to dry out. In low temperature seasons, azaleas should be moved to a warm place indoors and insulation measures should be taken. 4. Too much light Rhododendrons prefer semi-shady environments. Excessive light will burn the leaves, causing dehydration and drying. Azaleas should be placed in a shaded area to avoid long periods of direct sunlight to reduce the drying of leaves. 5. Unsuitable soil Rhododendron grows best in loose, breathable, acidic soil. Soil that is too sticky or too alkaline will affect the health of the plant and cause the leaves to dry out. It needs to be replaced with suitable acidic soil to promote the healthy growth of azalea. In short, as long as you carefully adjust the maintenance conditions, you can effectively avoid the problem of azalea leaves drying up, keep it vibrant and bloom beautiful flowers.
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