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Aphids

17 years ago

I've actually never run across this problem before, but this year I seem to have a bit of an aphid problem. I didn't even know what they were (all these tiny little bugs covering the stems) until someone told me. Started on a lupine and Sharifa Asma . . . seems to be moving on to other roses (comte de chambord, mme isaac perreire) . . .

Is there something I am doing to cause this? What can I do to prevent in the future? And what do I do about it now? I've seen sprays in the garden centers that claim to deal with aphids. Some are "organic". Is this what I should use to get rid of them for now? Do I spray the entire bush?

Some advice would be greatly appreciated -- this is a new problem for me! Thanks.

Comments (6)

  • 17 years ago

    Aphids can be washed off with a good squirt of water or squashed with your fingers - a good stree reliever. They don't do any harm to your rose bush.

  • 17 years ago

    I'm surprised you hadn't seen them before. They are in every garden, and there is usually a buildup on roses in spring before the first blooms open. Then predators usually bring them under control after a couple of weeks. I agree with Carol's advice. Just break up the worst encrustations, if any, and don't worry about getting rid of them. They are nearly harmless and every gardener lives with them.

  • 17 years ago

    Every year, for the first big flush of bloom, the aphids show up -- sometimes in quantity.

    Shortly thereafter, a good-sized flock of tiny gray birds (I think bushtits) shows up. The little fellas cover the garden, chirping happily. They stay for perhaps a day, and when they leave, there are very few aphids left to bother with.

    Jeri

  • 17 years ago

    I had a lot of aphids in the early Spring, especially on Mlle. Cecille Brunner, who seemed to be the most delicious (to aphids). But I forced myself to wait for ladybugs, who did eventually appear, and their larvae took care of a lot of the aphids. But the real heroes were the Syrphid Fly larvae. They looked like tiny green caterpillars, and they just vacuumed up those aphids in no time!

    I also spent a lot of time trying to identify what I thought must be a special kind of aphid - like a white pearly dome on the leaf. It turned out to be what they call a "mummy", the REMAINS of an aphid that been vacuumed or otherwise eaten by a predator. I'm glad I waited the situation out, because I learned so much during the course of it.

    Laura

  • 17 years ago

    Aphids multiply incredibly rapidly (the babies are often born already pregnant with their own babies to come). They suck the sap out of lush, newly developing new growth.

    That's why they show up on roses shortly before the first flush of bloom in late spring/early summer.

    After that the stems start hardening off and the aphids go looking for other food sources.

  • 17 years ago

    Thank you all for your responses, I had been worried :) There were so many aphids on one of my lupines I couldn't believe it, and the plant did seem to suffer health-wise, so I was very worried when I saw them on my roses near the buds!

    So a good squirt of water and some patience, eh? Much cheaper and healthier than the sprays I see in the stores that cost $10 per bottle!!! C'mon birds and caterpillars :)

    Thanks again!

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