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Sat, Sep 5, 09 at 22:09
| Good evening folks. I want to share the Cannas I grew this year. The japanese beetles ate about 95% of all the cannas I grew. The foliage was beautiful until early July. The numbers are getting worst every year. The numbers had doubled.
Anyways, here are the pics.
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Follow-Up Postings:
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- Posted by struwwelpeter 5 (My Page) on Sun, Sep 6, 09 at 11:20
| What did you do to try and fail to control the Japanese beetles? I don't think that I have ever seen a Japanese beetle, in person. |
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- Posted by v1rtu0s1ty Zone 5a, Northern IL (My Page) on Sun, Sep 6, 09 at 20:57
| Last year, I used a cup of water with soap. I just tap them and they drop. I usually do this in the afternoon. If I do this in the morning, they'll fly. They're very harmless. However, there were tons of them this year that I just accepted that I lost the battle against them. It's not just the canna that they love. They also love my hollyhocks, 4 o' clocks, and zinnias. They ate my Ensete Maurelii(beside the cannas) but the damage was very small. I was really shocked that they did very small damage to the Ensete M. They didn't touch my sunflowers, russian sage. Oh, they also loved my dahlias. I see very very few jap beetles now to almost gone. Looks like I'll have a nice flower on the bengal tiger. Also, the jap beetles didn't do a lot of damage to the leaves of canna australia or canna tropicanna black. They did ruin the flowers but not the leaves. This is how they look like. |
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- Posted by struwwelpeter 5 (My Page) on Mon, Sep 7, 09 at 10:54
| If I were you, I would spray with Sevin at the first signs damage. |
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- Posted by v1rtu0s1ty Zone 5a, Northern IL (My Page) on Mon, Sep 7, 09 at 13:49
| I was also told by a neighbor. How is it sprayed, is it sprayed on the plants or on the ground? |
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- Posted by struwwelpeter 5 (My Page) on Mon, Sep 7, 09 at 18:26
| It is sprayed on the plants. Apparently, Milky Spore is applied to the ground to kill grubs. See http://forums2.gardenweb.com/forums/load/fruit/msg0616124625787.html I have no experience with either. |
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- Posted by v1rtu0s1ty Zone 5a, Northern IL (My Page) on Tue, Sep 8, 09 at 11:48
| Thanks for the info! :) I'll try sevin next year. I'll use 3oz/gallon. I'll make sure to watch them mid June. That's when I noticed they started to come out. |
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