Gardenia Plants

what disease could my gardenia tree have?

Zone Berlin, New Hampshire | KAREN SULLIVAN added on December 3, 2013 | Answered

I bought a gardenia tree this spring and planted it in a large container outside. I recently brought it into the house for the winter. I have noticed a web like material on the leaves and tree trunk. I sprayed it with an organic peppermint oil and cleaned all leaves and trunk. I removed some leaves with some whitish stuff on top and some brownish on the bottom. The web like material is coming back on the new growth. Can you help?

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Certified GKH Gardening Expert
Answered on December 5, 2013

These are spider mites. Their presence indicates that the plant is stressed. This article will help deal with them:

That being said, as I mentioned, they are an indication of a larger problem. Most commonly with gardenias brought indoors the problem is too little humidity. You may want to look into setting up a pebble tray for the plant. More information on this:

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