All Things Gardening forum: Selecting beetle resistant plants

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Name: Susan
Zone 5b (Zone 5b)

Charter ATP Member I was one of the first 300 contributors to the plant database! Hibiscus Hummingbirder Butterflies
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gardenersdetective
Jul 7, 2010 6:25 AM CST
Something to evaluate and consider when selecting trees is Resistance to Japaneese Beetles
Name: Evan
Pioneer Valley south, MA, USA (Zone 6a)
Charter ATP Member Plant Database Moderator Forum moderator Aroids Irises Celebrating Gardening: 2015
I was one of the first 300 contributors to the plant database! Tropicals Foliage Fan Bulbs Hummingbirder Lover of wildlife (Black bear badge)
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eclayne
Aug 6, 2011 4:48 AM CST

Plants Admin

eclayne said:I laid down Milky Spore 2 yrs. ago on part of the lawn and garden where I plant Callas, which JB love. This year I've seen only a handful and less than a handful of blooms chewed up. I'd heard very mixed reviews but am glad I tried it. Has anyone here tried it?

eclayne said:
Milky Spore is a bacteria, although my niece informed me they're not called bacteria anymore, which creates a disease specific to JB. By creating this milky spore which the beetle larvae eat, the infected larvae eventually die and burst, releasing more bacteria into the soil. As I remember it takes a few years to reach maximum effect. I think I also remember Lee Reich mentioning that it's effectiveness is mixed, depending on your soil and climate. Anyway the JAPANESE BEETLES, which were a real menace, are now simply a nuisance.

I didn't get it precisely right but here's a link to further explain: http://hyg.ipm.illinois.edu/pastpest/200120b.html
Evan

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