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Lantana Leaf Problem. Question

Posted by desertdance So CA Zone 9b (My Page) on
Sun, Feb 23, 14 at 14:24

We have noticed a strange occurance on the Lantana in a planting bed close to the house. The area gets morning sun and afternoon shade.

The new growth doesn't have the problem, as you can see from the healthy flower, but the leaves on the right of the photo show damage.

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Close up of damage

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Is this insects or mold or what?

Suzi


Follow-Up Postings:

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RE: Lantana Leaf Problem. Question

Looks like a little dark centered feverfew bloom!

Does anything fly around when you scrape at it? If you examine some scraped residue on dark paper do you see a dried out shape with legs?

The 2 white insect buildups I'm familar with are whitefly and mealybug. But I haven't seen a circular pattern. This is the time of year for whitefly in our zone. If you have a knowledgeable nursery person take them a branch for id.

I would cut off affected growth and if it began on newer growth I'd use Bayer all in one product.


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RE: Lantana Leaf Problem. Question

Is it only on the older leaves?

Lantana gets Entomosporium leaf spot during wet and/or humid weather. Self limiting when the weather changes.


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RE: Lantana Leaf Problem. Question

Interesting. In drought ridden So CA, we did have some rain, and it might be due to that! New growth is clean and green! So, no worries? It's just a life cycle?
Suzi


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RE: Lantana Leaf Problem. Question

We'll hit the plant with Bayer. We have a few Lantana's in our yard, and this is the only one affected. Yes, it's currently only on the older leaves.

I don't see anything flying around, but if anything is munching, Bayer will do the trick.

Thanks!


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RE: Lantana Leaf Problem. Question

  • Posted by hoovb z9 Southern CA (My Page) on
    Tue, Feb 25, 14 at 17:43

will also kill any bees that visit the flowers. you sure it is not bird poop?


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RE: Lantana Leaf Problem. Question

I got that before. It was just a little the first year but the year after it was really bad. I hope you can find out how to cure it.


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RE: Lantana Leaf Problem. Question

The cause isn't insects. Don't try to kill something that's not there with unnecessary pesticides.


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RE: Lantana Leaf Problem. Question

I think that it is a kind of disease


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RE: Lantana Leaf Problem. Question

Well, I'll know if rain causes it because this weekend rain is predicted. It's odd because only one of my lantanas is affected. There is another, spaced about 4' from this one, and it's fine!

I'll take a leaf to the local real nursery, and see if they can ID the problem.

Thanks,

Suzi


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RE: Lantana Leaf Problem. Question

  • Posted by mrclint z10SoCal Valley (My Page) on
    Mon, Mar 3, 14 at 23:01

Lantana is almost bulletproof here. I would prune out and discard the old nasty leaves and let the garden gnomes work the rest of it out. :)


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