hibiscus - Knowledgebase Question

friendswood, Te
Question by mvacosta0609
May 17, 2009
i have a hibiscus right where my mailbox is on the street and the leaves are mostly yellow and don't know why.

Answer from NGA
May 17, 2009


Yellow leaves can be caused by many things including lack of nitrogen, light, water-logged soil (plant roots need oxygen to thrive), dry soil, or iron deficiency. If the older bottom leaves are yellow, but new growth is green, it's usually a lack of nitrogen. If new leaves are yellow, with green veins, it's usually a lack of iron. (Lack of nitrogen is a more common problem than lack of iron.) Soil should be kept moderately moist (but not wet). Hope this gives you some clues as to what the problem might be.

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