thousands of inch worms !!!!!!!!!!

playintheyard(zn6 MA)May 17, 2009

Hi everyone,

Just came in from morning walk around yard & have lots of inch worm damage. A realy nice 2cd year columbine has lost almost all of its leaves overnight. Also african daisys! The inch worms are just everywhere. The hit you in the face as you walk around. I counted 15 in 1 container of nastys yesterday although no damage. Does any one know if neem oil or something like it would help if sprayed on the plants the seem to be going after?? Ill be heartbroken if this goes on every day!


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Annette, as far I as figured out for columbines only weapon is Rose Bayer blue bottle insect killer. It is systemic. Everything else works but so so and you have to do it every day almost.

    Bookmark   May 17, 2009 at 9:04AM
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ajpa(z6 se PA)

I did a quick google and several sites say that there are BT sprays that will work on inchworms, but I don't know if this is the right time in their life cycle?

    Bookmark   May 17, 2009 at 12:43PM
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nancy_drew(5 nw chgo burbs)

Wow, Annette! I'm sorry to hear that! I sowed tons of columbines this year, I too, would be heartbroken! Let us know what happens!

    Bookmark   May 17, 2009 at 12:57PM
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fgirl21(z6 - MA)

Hmmmm - - you made me go out and check mine. I've had gazillions of inch worms for a week or so now but no one has touched my columbines (thankfully)

    Bookmark   May 17, 2009 at 1:49PM
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gardenerme(z9/21 inland socal)

Yup, BT definitely works, is only fatal to caterpillars, like the inchworm.

    Bookmark   May 18, 2009 at 2:54PM
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nancy_drew(5 nw chgo burbs)

Well dang, I can't use that, then. I have way too many plants that attract butterflies. There's no way I could entice them, only to kill their babies.

    Bookmark   May 18, 2009 at 6:02PM
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