Rosebud
Oxford
Posts: 35
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| Posted: Mon Aug 17, 2009 2:13 pm Post subject: Leafroller on Cannas |
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My cannas are a mess.Leaf role is what I'm told,My question is,would moth balls help get rid of them or would they hert the plants?I don't want to cut them down but I will have to if I can't find something to get rid of the moths. i have sprayed but no change. What do I need to do?
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toni
 Administrator
Plants Moderator
Regular Plants Contributor
North Texas, Zone 8a
Posts: 11234
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| Posted: Mon Aug 17, 2009 2:28 pm Post subject: |
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No don't put mothballs in the plants. They are toxic to beneficial insects as well as moths.
I had Leaf Rollers in my Canna a couple of years ago and just simply cut off the affected leaves and threw them away. The rest of the plant grew just fine and produced blooms.
In fall before the first freeze, cut the leaves to ground level so the larvae can not overwinter in them.
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To be interested in the changing seasons is a happier state of mind than to be hopelessly in love with Spring ----
George Santayana
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glendann
Texas
Posts: 9228
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| Posted: Mon Aug 17, 2009 5:05 pm Post subject: |
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I had them last year and I unrolled and killed the larvae then just watched and as soon as I saw one I undid the leaf over and over and they didn't hurt my leaves. I did this daily.
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but by the moments that take our breath away.'
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