The Q&A Archives: Gardenia Bush

Question: I planted gardenia bushes last year and they dont look too good. They have very little leaves on them and some are yellow with some black mold how can I take care of these without loosing them. What is a good fertilizer to promote growth a nd get rid of the black mold looking stuff on the leaves.

Answer: Cherrjie,

They may be suffering from root problems due to soggy wet or dry soil, or from soil pH levels that are too high. I suggest you start weekly fertilizing with Miracid which is a soluble fertilizer at the label rate. This should improve leaf color and plant vigor. The black mold is probably from whiteflies or scale. Your County Extension Office can suggest some control products for these pests but may want to see a sample from the plant in order to make a good diagnosis. Place a section of branch into a clear plastic bag to keep any insects in the bag until the Extension Agent can see the sample.

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