- This topic has 3 replies, 2 voices, and was last updated April 8, 2022 at 4:00 pm by Armuro.
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AlAlice8 April 20220 Wish green leaves
Rhododendron – why do its leaves fall off?
Hello. I have a Rhododendron plant outside in my yard in a semi-shady spot, planted last year at the end of October. It stayed green and had buds until a few weeks ago when the leaves started to fall off. It was purchased from the nursery, so acclimatized. I can’t figure out if it’s the soil or some mites. I would like to know if I can still save it and how exactly.
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Hello. To help you with a recommendation, please give us more information about the plant: how often do you water it? Have you applied any treatment/fertilizer recently? Are there any pests on the plant? Also, please attach some relevant photos of the plant, taken close up.
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AlAlice9 April 2022
We haven’t watered it yet because it’s been rainy here. How often should I water it? I haven’t applied any fertilizer and I haven’t noticed any pests but the leaves look like they’re being eaten.
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From the attached images, the symptoms are similar to a phytopathogenic disease. Thus, it is recommended to apply 1-2 treatments, at intervals of 7-10 days, with a fungicide approved for ornamental plants, such as Amistar, 10 ml , in a dose of 10 ml / 10 l water, applied by spraying. To improve soil quality, it is recommended to apply a special fertilizer, which increases microbial activity and intensifies the absorption processes, such as Organic Soil Activator, 350 ml. It is applied by watering, in a dose of 10 ml / 1 l of water. The photos also show the presence of gravel. It is advisable to remove those pebbles because they keep high humidity in the soil and do not allow air circulation at the root level. For more information about rhododendron care, you can access our article(Rhododendron, planting guide and care work).
- This reply was modified 2 years ago by Armuro.
- This reply was modified 2 years ago by Armuro.
- This reply was modified 2 years ago by Armuro.
- This reply was modified 2 years ago by Armuro.
- This reply was modified 2 years ago by Armuro.
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