Japanese beetles

rococogurlJuly 14, 2006

Hi all,

I've got a first year postreno garden which is pretty simple but I did plant a few bush roses and I've never noticed the Japanese beetles just sitting there on them so boldly. Does everyone have these this year? Nearly as bad as the catepillars.

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makalu_gw(z5b NY)

Yep, they're out in force now for the next few weeks. They've been a bit weird this year though - they're still eating my berries but they've expanded their palate to the potatoes, asparagus and roses. The milky spore that I put down last year is helping but I still have to get out every morning with a bucket of soapy water and knock them off the leaves into the bucket. Definitely worse than the caterpillars ... those I can just dust with BT to control.

    Bookmark   July 14, 2006 at 11:39AM
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tommyr_gw

I have a Teece brand Japanese beetle trap that I place about 25-30 feet away from the area I want to protect. I have so far in the past 3 days caught HUNDREDS and HUDREDS of these little %$#^@'s! To kill I just dip the plastic container into hot soapy water for a half hour. These things really work.

Tom

    Bookmark   July 14, 2006 at 4:01PM
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nygardener(z6 New York)

Tom, how do those traps do at keeping the beetles away from your plants? Some people have said that they catch lots of beetles, but attract even more of them to the vicinity of your garden.

    Bookmark   July 17, 2006 at 7:06PM
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oldroser(z5)

Putting the traps at a distance is the secret to using them - don't hang them up over your plants. On your property line or on your neighbor's property is the best place but 50 to 100 feet away from the garden is the ideal.

    Bookmark   July 18, 2006 at 11:09PM
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tommyr_gw

Also Milky spore is the ground treatment.

http://www.milkyspore.com/milkyspore.htm

    Bookmark   July 21, 2006 at 5:45AM
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rococogurl

Tommyr -- would someplace like Agway have the traps or do I need to order online? The beetles are so bold they are literally nesting in the roses. thanks.

    Bookmark   July 21, 2006 at 9:16PM
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nygardener(z6 New York)

Do they seem to be on the wane? Mine (knock wood) are less numerous this week.

    Bookmark   July 29, 2006 at 10:52PM
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nygardener(z6 New York)

... By the way, I found (by accident) a nice way to control Japanese beetles: grow evening primrose (Oenothera), a pretty yellow flowering perennial or biennial. The beetles love this plant and will gather on its leaves ... just shake them into a tub of warm soapy water.

    Bookmark   July 29, 2006 at 11:08PM
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oldroser(z5)

Agway should have traps or just about any garden center.

    Bookmark   July 30, 2006 at 6:35AM
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kareen(z5 NY Renss.Co.)

I caught one the other day on my hibiscus and threw it in the pond.My large comet loved it for lunch!!!!!!

    Bookmark   August 27, 2006 at 10:13AM
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