Q & A

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Viewing 5 posts - 1 through 5 (of 5 total)
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  • August 26, 2007 at 12:35 pm in reply to: Problem with my begonia #13845
    Ms Green Thumb
    Member

    Henry – Are you sure that it is an insect causing the problem? It sounds to me like a plant disease, especially since you notice the problem during damp conditions. Check out this site by Pennsylvania State University:

    Begonia Disease Problems

    June 13, 2007 at 12:36 pm in reply to: How long does Semaspore last? #13824
    Ms Green Thumb
    Member

    Which organic spray are you talking about? We've been using Semaspore Bait for years with great results. It really seems to keep the grasshopper numbers down.

    May 3, 2007 at 3:23 pm in reply to: Can I release predatory insects indoors? #13804
    Ms Green Thumb
    Member

    Typically, your garden store variety ladybug (Hippodamia convergens), which is native to North America, will not become a problem indoors. However, the Multicolored Asian Lady Beetle (Harmonia axyridis), which of course is native to Asia, can be a seasonal nuisance in homes. The USDA has a very good fact sheet on the little buggers.
    The Multicolored Asian Lady Beetle

    March 18, 2007 at 2:36 pm in reply to: Sealing pruning cuts on roses #13766
    Ms Green Thumb
    Member

    TL, Most healthy roses will seal their own wounds within a half hour. However, if you have a borer problem you can seal them with a pruning paste (available at many garden stores). I have also used Elmer's glue, which works very well and dries clear.

    March 18, 2007 at 2:27 pm in reply to: Can I release predatory insects indoors? #13765
    Ms Green Thumb
    Member

    I think that you're alright… Remember that beneficial insects only feed on pest insects. They do not eat plants. In most cases, once the pests are gone so are the beneficials – they either starve to death or have to leave in search of more food.

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