Question
I have aphids on my anenomes and have treated them with insecticide soap a number of times such that the aphids seem to be gone, but then they come back within a couple of days. I have also tried dousing them with water, but to no avail. Besides controlling them on the plants outside, I would like to bring some cut flowers inside but am afraid of spreading aphids to houseplants.
Susan
Mill Valley
Answer
I am sorry to hear that you are being plagued. Rather than the insecticidal soap, you may want to consider trying Rose Defense. We have been very satisfied with the results of this product for years. Beneficial ladybugs are also back in the stores. It may be to your advantage to release a box so that they can hunt down the hidden aphids in your garden that are unseen.
As far as cutting flowers to bring inside, a thorough washing with the hose should do the trick. I have a feeling the aphids are hiding under the foliage or on unopened buds. Be sure to spray under the leaves as well.
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