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Q. false sunflower leaves turn yellow and curl up

What is causing my false sunflower leaves to turn yellow and curl up? Inside the curled leaves are small black eggs, and I found a worm on one leaf. I do not want to spray them with anything that will kill birds, however. The flowers will not be blooming for a week or so.

Answered by
Downtoearthdigs on
June 17, 2015
Certified Expert

It would appear that eggs have been laid in your plant leaves.
I understand wanting to protect all the beneficial insects, bees and birds.
Neem Oil would be a good treatment.
Here are a few links.
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

https://www.gardeningknowhow.com/ornamental/flowers/sunflower/sunflower-problems.htm

https://www.gardeningknowhow.com/ornamental/flowers/ox-eye-sunflower/grow-false-sunflowers.htm

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Asked by
kdlewis on
June 29, 2015
southern Manitoba, Canada Zone 2

Q. false sunflowers with black substance

My false sunflowers get a black, almost wet or greasy, substance that appears to be bugs when closely inspected. What is this? And this occurs on the stems. How do I deal with this problem, as it happens every year? Thanks.

Answered by
Downtoearthdigs on
June 30, 2015
Certified Expert

Most likely Sooty Mold. Neem Oil is a good treatment.

Here is a link that will help.

https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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