Corn Plant (Dracaena fragrans 'massangeana') - Knowledgebase Question

North Vernon, In
Question by johnathanmul
March 24, 2009
I recently bought a Corn Plant. I repotted it, and now I'm noticing brown spots outlined with yellow on the leaves. I have researched it and know that some shock may occur from repotting. I am concerned that my soil could be too dense. I used regular potting soil mixed with Cactus/Palm soil. If this is the case, should I repot the plant again, or will this cause too much shock?


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Answer from NGA
March 24, 2009

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I think the potting soil you have chosen is just fine for your new corn plant. When you find brown spots ringed with yellow on the leaves, it indicates a wound to the leaf tissue. This can be caused by handling, by insect feeding or even by a disease pathogen. The injury becomes brown as the plant tries to seal off the wound and the yellowing indicates additional dying tissue. You will need to look closely at the brown/yellow spots to determine whether there is insect activity. At this point I would simply wipe each of the leaves off with a dampened paper towel. If there are insects, you will wipe them off. Watch your plant for additional leaf spots. I suspect you wont' see any more develop.

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