Brown Wilted Shamrock Leaves - Knowledgebase Question

Woodsboro, MD
Avatar for gloriaroll
Question by gloriaroll
August 17, 2000
My shamrock has been thriving in a sunny window of my office, watering once per week. This week it started having some of the lower stems and leaves turning totally brown and limp. I felt the soil and it felt dry so I watered it for the second time this week - it is still turning brown! please help.

Answer from NGA
August 17, 2000
Based on your description I would suspect spider mites, especially if there is also fine webbing under the leaves. The mites can be controlled with applications of insecticidal soap according to the label instructions (be sure to cover all leaf surfaces), or can be washed off by spraying the plant with a fairly strong stream of water. Misting the plant can also help lower the spider mite population because they thrive in hot and dry encironments. It is also possible that the plant has outgrown its pot and needs to be divided.

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