I have planted my avocados in soil a month ago and since then they started getting brown edges on the leaf. What should I do?
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What sort of soil did you use - new potting soil or something else? Is there a drainage hole in its pot?– BambooCommented Nov 16, 2017 at 17:16
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Possible duplicate: gardening.stackexchange.com/questions/31481/…– Sue Saddest Farewell TGO GLCommented Nov 17, 2017 at 21:26
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Welcome Sue! My name is Sue too! Would you mind taking a look at the other question I just linked to? It seems very similar to me. Does it help you with this question, in addition to the answers you have here?– Sue Saddest Farewell TGO GLCommented Nov 17, 2017 at 21:28
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2 Answers
It could be the water, is it tap water that you use? It could be that there are too many minerals in it, or chlorine. A solution would be to use demineralized water for a while.
It can also be caused by too much fertilizer, but not enough info in your question to point out the real reason.
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Demineralized water is also called distilled water, most supermarkets and grocery stores will carry. Use distilled water until the plant is well established. Plus, after that only use water that has sat out overnight, so it has time to off-gas any chloride and fluorides it might contain it. Also, many potting soils already contain 3 to 6 months worth of fertilizer for moderate feeders plants. Also, Avocados are light nitrogen feeders so you probably won't need to add anything for a year or so. Commented Nov 17, 2017 at 16:14
I agree, high salts most likely. You've not had enough time to build up the salts from tap water to include the worst; fluoride. Hydrofluorosalicic acid. Heavy metals. Chlorine actually dissipates. So the culprit seems to be whatever was added to your soil such as compost, fertilizer, sand/rocks/gravel at the bottom of the soil which would cause the soil to stay too wet too long.
Your leaves look thin as if they've not been in much light for a good month or something is wrong with the chemistry (fertilizer) or the roots are rotting from too much water not enough air and drainage. Planting avocado seeds with water roots into soil is a huge shock to a plant. Water roots are not meant for soil. But seems to work more often than not...did you start your avocado in water and then recently plant in soil?
I am worried that you've got too much fertilizer in your soil. What have you used for soil, amendments, fertilizer and when do you know to water your plant? Is there gravel or rocks at the bottom of the soil in the bottom of the pot? Is there a drain hole? Check out the bag of soil you used to see if fertilizer was added to the soil.
Please get back to us with even more details...and soon, okay?
