The following picture shows a burnt leaf on a Rhododendron. A burned leaf is one where the surface of the leaf has been damaged beyond repair, often with holes or other damage caused by fire. These leaves may turn brown and die within days, sometimes even before they have time to rot completely.
What causes burnt rhododendron leaves?
Burned rhododendron leaves are usually due to improper care when pruning your plants. When pruning, it is always best to leave at least two inches of growth above the ground. If you do not, then you will end up burning your plant and causing its death.
How does burnt rhododendron leaf happen?
It all starts with poor growing conditions. Poor soil quality, too much fertilizer use, and over watering are some of the reasons behind burnt rhododendron leaves. Other factors include lack of sunlight, drought, high temperatures, and even insect attacks.
When the leaves burn due to these factors, it results in the leaves turning brown. It is important to note that burnt rhododendron leaves are not just limited to rhododendrons.
They can occur on any type of tree or shrub.
Why do I need to keep my plants alive?
It is important that you keep your plants alive because it is the only way to maintain biodiversity in our natural areas. If we do not take proper care of these plants, then they will die out. This means more than just weeding or trimming them, you also need to water them and give them large amounts of fertilizer. Not everyone has the time or money to do this all the time, which is why our government gives tax breaks to people who do.
What to do?
It is important that you make sure your plants get the right amount of sunlight. If they don’t, then their leaves will burn faster than normal. It also helps to water them a little every day. Just make sure not to over or under water them. Fertilizer can help as well, but it is better to use special rhododendron fertilizer instead of ordinary grass one.
It is best you speak with your local nursery if you need help identifying what type of fertilizer to use or how much to give the plant.
Thank you for reading, if you would like to learn more about this topic then you can read these two articles :How to make your own insect repellent and How to get rid of earwigs.
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Sources & references used in this article:
Photosynthetic acclimation of rhododendrons to light intensity in relation to leaf water-related traits by JH Wang, YF Cai, SF Li, SB Zhang – Plant Ecology, 2020 – Springer
JARS v62n4-Evergreen Azaleas and Rhododendrons in Southern California, Part I by CA Deul – scholar.lib.vt.edu
Dynamic ecological knowledge systems amid changing place and climate: Mt. Yulong rhododendrons by CA Deul – 2008 – Digital Library and Archives of the …