Hibiscus forum: Lacy leaves

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Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
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Rose1656
Jun 14, 2015 11:12 AM CST
My hibiscus are being eaten up by some kind of little worm this year. I'm not sure if it's because of all the rain and humidity, but it seems to be a lot worse this year than ever before. I finally sprinkled some Sevin around the roots of the plants to see if that would help. It's been so wet here that I assumed that the rains would wash away the sevin, but I decided that if I didn't do something my hibiscus would all look terrible. Will they still get blooms on them even if the leaves are just a lacy mess? Sadly, most of them look like this one.
Thumb of 2015-06-14/Rose1656/35734f

Name: Anne
Summerville, SC (Zone 8a)
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Xeramtheum
Jun 14, 2015 1:40 PM CST
Yikes! That is a mess .. Using your sevin dust, you'll want to use a duster and make sure the 'cloud' gets under the leaves and on top of the leaves - the whole plant from top to bottom paying careful attention to the new growth. The dust only works if the critters crawl through it.

If you're not adverse to chemicals, then spray the plant with whatever garden pesticide you like to use ... again, you want to make sure the spray gets under and over the leaves.

It will still bloom if the buds aren't eaten but the damaged leaves will not fix themselves.
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springfield MO area (Zone 6a)
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Frillylily
Jun 14, 2015 3:13 PM CST
If you are using sevin you have to put it on the leaves. The worms are tiny, green and are on the underside of the leaves. At least that is what happens to my hibiscus.
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Jun 14, 2015 3:14 PM CST
It could also be Japanese Beetles.
Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 14, 2015 7:12 PM CST
No, so far it's those nasty little green worms. I've been rubbing them off of the leaves and that's just icky! I'll have to look for a liquid pesticide to spray because I doubt that powder will stick to the leaves, especially with all this rain!

Thanks for the help!
OH (Zone 5a)
Hostas
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Pandora
Jun 14, 2015 8:57 PM CST
Rose, I mix water, dishwashing soap, and cooking oil in a hand sprayer and spray leaves top and bottom. I don't measure but almost fill with water and probably about 1/8 teas of soap& oil. If I want to get aggressive I add an ounce or so Listerine.

Works for me.
[Last edited by Pandora - Jun 15, 2015 6:34 AM (+)]
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OH (Zone 5a)
Hostas
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Pandora
Jun 14, 2015 9:02 PM CST
Oh, mine have bloomed with some leaves like that, but I try to get it under control quickly so there are some good leaves.
Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 15, 2015 10:45 AM CST
Thanks for the recipe. I'll try that first before buying chemicals. I usually have these worms every year, but not this bad. I was shocked at how fast they attacked and shredded my plants this year! I'm not sure if all this rain has caused it, but I'm just sick when I look at my plants.
OH (Zone 5a)
Hostas
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Pandora
Jun 15, 2015 11:00 AM CST
I don't get them every year. We are being drowned with rain, so I'll keep an eye on mine. It is upsetting how fast they can eat the leaves. If you have Listerine, I'd add it.

Maybe if they hybridized a lace leaf hibiscus, we'd think it was awesome?
Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 15, 2015 2:42 PM CST
I just went out and sprayed all of my hibiscus and now it's raining! Do I need to reapply after a rain? If so, I'll never get rid of these worms! Rain in the forecast all week! I did enjoy watching them writhe in pain when the spray hit them!
OH (Zone 5a)
Hostas
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Pandora
Jun 15, 2015 3:34 PM CST
Oh you are cruel. Hilarious!

Sorry to say, if it is a substantial rain, yes, I would reapply. The oil helps a little to stick to leaves and worms. At least it is easy and I guess there are chemicals, but they can't be too bad.
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Jun 15, 2015 4:08 PM CST
I am SOOOOO tired of rain.


Crying
OH (Zone 5a)
Hostas
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Pandora
Jun 15, 2015 4:12 PM CST
Me too! Downpours all week! Standing water in front yard.
And ohhhhh the mosquitoes. They ignore Deep Woods Off.
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Jun 15, 2015 4:14 PM CST
It is too muddy to get in my beds, but the weeds are loving it. The bugs are too. I have slugs, japanese beetles and green inch worms eating everything. I keep spraying but hourly we seem to have a flat out downpour. Went to drs apt this afternoon and could hardly see the rd to drive it was raining so hard. Sighing!
Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 15, 2015 6:32 PM CST
I've been catching Japanese beetles in my white buckets with water in them! I'm sure they're hoping my Dahlia and hibiscus start blooming really soon! We've had 4 downpours today and it's thundering now...
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Jun 15, 2015 9:46 PM CST
how do you catch them? You mean they just go in it and drown? I tried hand picking them but there were too many and they see me coming and fly off... usually right in my face! This means war! Grumbling

Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 16, 2015 6:08 AM CST
Yes, I set a white 5 gallon bucket out by a flower bed and fill it about 1/3 full with water. They fly in and can't get out. It's not 100%, but it does get several. I try to keep the water fresh each day. Not sure if you have to use white, but that's what I read somewhere, and they were free!
Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 19, 2015 3:37 PM CST
Here's a picture of my killer bucket Frillylily!
Thumb of 2015-06-19/Rose1656/8fe9b1

Name: Danita
GA (Zone 7b)
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Danita
Jun 29, 2015 1:29 PM CST
That looks like Sawfly larvae damage. Thumbs down
Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 29, 2015 2:45 PM CST
Thanks Danita. I sprayed the mixture that was suggested on here and it to have helped. I'm seeing new growth, but they seem shorter this year. I'm not sure if the attack had anything to do with it, but all seem slower to produce blooms, too. Oh well...I'll be ready for them next year with my spray bottle!

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