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Plant Diseases - yucca plant has black sap seeping out
Expert: kathy crowley - 10/25/2009
Question
Hi. I have a question regarding my yucca plant. It is indoors, in a 14 inch ceramic pot and sits about 3 feet from a very wide window. It gets bright light most of the time because we keep the blinds open. I bought it from Lowe's 3 months ago and it has three small trunks but they're all potted together. It had a lot of very dark green leaves for the first two months and I've been careful not to over water it, but l noticed that last month the leaves have started to turn yellow, then they shed. There are still plenty left and new lighter green ones are starting to sprout. Is this just because of the change of seasons? or is it getting weaker? Also, the tallest trunk, about 3 1/2 ft. tall is the one with the least number of leaves and it has some dark sap on the trunk. I checked it for holes and noticed that the trunk felt a little softer/hollow compared to the other two. What causes it and should I remove it away from the others and plant it on another pot? Thanks so much.
Answer
Hi Marionne, In bright or high light settings, allow the top 1/4 or 1/3 of soil to dry out before watering well. In low-light settings indoors, allow 3/4 of the soil to dry down between waterings. I recommend subirrigation to water house plants if possible.
When you water DO NOT let the plant sit in a puddle or saucer of water that can accumulate in the bottom of the container. In low light areas this extra water may encourage rotting.
Sounds like too much water, keep them together, you could add some epsom salt to green it up. kathy
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