holes in leaves of canna plants

westsubwomanMarch 26, 2005

My cannas which were first put in last summer are just starting to come back up but most of the leaves have holes. Could this be caused by slugs or snails? Everything that I have read about cannas has not mentioned that slugs could be a problem. Is it safe to use a snail and slug bait on these plants?

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JohnnieB(Washington, DC 7a/b)

Yes, slugs.

    Bookmark   March 26, 2005 at 8:40PM
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IMQTPI(z9 CA)

Might be leaf rollers... Lots of mine (which are also just starting to come back - with a vengeance) have many holes in a straight line across the leaves - looks like they were shot by a machine gun!!!

I'm pretty sure leaf-rollers are causing that - and I'm planning to treat with BT. Hope it works!

-Nancy

    Bookmark   March 27, 2005 at 10:49AM
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solsort1_dk(z7 Denmark)

IMQTPI. I had a canna growing in a pot last year that had holes just like you describe it too.

It only ever got that one line of holes, and I never noticed any bug on it. I didnt treat it.

So I will watch this space to see if anyone knows for sure what causes it.

Take care,
Hanne in Denmark

    Bookmark   March 27, 2005 at 5:38PM
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cannafreak(z7 NY)

Hi Hanne, Sounds like you could have had leaf rollers they are nasty bugs that love to eat Cannas.HTH, Tara

    Bookmark   March 28, 2005 at 12:16AM
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