The Q&A Archives: mold in dying bulbs / sap dripping from leaves of alocasia amazonica

Question: Hi,

Someone gave me an alocasia x amazonica from the alaceae family. I have been treating it properly (indirect sunlight, moist watering) but it's developed two things that concern me. First, two of the leaves that were coming out never did so, and instead have adopted a yellow, sickly look. One of those has developed a bit of mold on it. How should I treat these?

Second, a couple of the healthy leaves have beads of water developing at the lowest point of the leaf. Is this indicative of something wrong?


Answer: If the Alocasia is new to you, the yellowing leaves are probably the result of changes in its growing environment (transplant stress). I'd remove the sickly leaves, especially if mold is developing. This might indicate overly humid/moist conditions, or lack of sufficient air circulation. You might turn a fan on toward the leaves to see if that helps. I'd watch for healthy new growth within the next few weeks. I think things will be fine as soon as your plant adjusts to its new home. The water droplets forming on the margins of the leaves simply indicates that the plant has taken up more water than it needs and is getting rid of it through natural openings in the leaves. Nothing to worry about.
Best wishes with your Alocasia!

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