Ask a Question forum: What is growing in my herbs?

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Florida
Canolabean
Jun 15, 2017 4:51 PM CST
I have been trying to grow herbs for quite some time now. I finally get some sprouts and see weird spots all over them. Kind of makes me feel like I'd rather not grow my own anymore..can anyone tell me what this could be and if it is treatable?
Thumb of 2017-06-15/visitor/6dd497

Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
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Calif_Sue
Jun 15, 2017 5:24 PM CST

Moderator

Moved to Plant ID Forum
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Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jun 15, 2017 6:04 PM CST
The spots look like a type of fungus. I don't know which one.

@Calif_Sue,
Perhaps the Plant ID thread is not the place for this to be moved; perhaps Ask A Question would obtain more answers to identify what is wrong with the herb plants Shrug! .
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Name: Porkpal
Richmond, TX
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porkpal
Jun 15, 2017 6:51 PM CST
The black dots aren't bugs, are they?
Porkpal
Florida
Canolabean
Jun 15, 2017 6:57 PM CST
porkpal said:The black dots aren't bugs, are they?


I don't think so...Ive picked leaves and stared real hard. I don't see any life..it does kind of remind me of bug poop though. I just don't see any bugs...I have other herbs growing and so far it hasn't spread. I also worry the soil is contaminated but I don't know without knowing what this is.. Sad
Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
Sunset Zone 15
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Calif_Sue
Jun 15, 2017 9:08 PM CST

Moderator

Sorry @greene, guess I read it too fast, *Blush* Moved back to the Ask A Question Forum.
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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jun 16, 2017 9:58 AM CST
Can you try tapping part of the plant against a piece of white paper to see if any insects come out?
Name: Cindy
Hobart, IN zone 5
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Shadegardener
Jun 16, 2017 10:37 AM CST
Is artillery fungus common in FL?
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Florida
Canolabean
Jun 16, 2017 10:43 AM CST
sooby said:Can you try tapping part of the plant against a piece of white paper to see if any insects come out?


Great idea! I will try this afternoon and let you know what happens! Thank You!
Florida
Canolabean
Jun 16, 2017 10:44 AM CST
Shadegardener said:Is artillery fungus common in FL?


I don't believe so...I don't see that very often
Name: Elaine
Sarasota, Fl
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dyzzypyxxy
Jun 16, 2017 10:47 AM CST
We have every single fungus on the face of the Earth in Florida, I think. Hilarious! They live here year 'round for the same reason people do. The weather is favorable.

I'd guess bugs rather than fungus, though given the randomness of the damage.

Have you checked the backs of the leaves and the stems? A thorough spray of soapy water at 1/2tsp. dish soap to a quart spray bottle of water will not do any harm and may help a lot. Rinse off afterwards with plain water.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Florida
Canolabean
Jun 16, 2017 10:59 AM CST
dyzzypyxxy said:We have every single fungus on the face of the Earth in Florida, I think. Hilarious! They live here year 'round for the same reason people do. The weather is favorable.

I'd guess bugs rather than fungus, though given the randomness of the damage.

Have you checked the backs of the leaves and the stems? A thorough spray of soapy water at 1/2tsp. dish soap to a quart spray bottle of water will not do any harm and may help a lot. Rinse off afterwards with plain water.


I have checked the backs and stems and they appear to be ok! I had a rodent in the yard at one point and I think there is a chance it could of pooped in the soil..would that do anything? Lol D'Oh!
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jun 16, 2017 11:04 AM CST
Canolabean said:

Great idea! I will try this afternoon and let you know what happens! Thank You!


One thing I was thinking to rule out (or in!) with this is thrips - they're very tiny so easily overlooked when you're checking for insects. They leave specks of black poop as well as damaging the surface of the leaves with their feeding. Some pics from Google:
https://www.google.ca/search?q...
Florida
Canolabean
Jun 16, 2017 11:18 AM CST
sooby said:

One thing I was thinking to rule out (or in!) with this is thrips - they're very tiny so easily overlooked when you're checking for insects. They leave specks of black poop as well as damaging the surface of the leaves with their feeding


Wow! That looks similar to my damage! I will have to try this, have you tried any effective treatments for this? If I have them, should I pull the whole plant?
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jun 16, 2017 11:42 AM CST
There are treatments but whether it is worthwhile if this is the only plant affected and most of it is damaged, and it's for eating, I'm not sure. But it would be better to make sure that really is the problem first, and the easiest way is to try and flush them out by tapping the plant onto white printer paper, it makes thrips easier to see against the plain white surface.
Name: Elaine
Sarasota, Fl
The one constant in life is change
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dyzzypyxxy
Jun 16, 2017 2:44 PM CST
If it is thrips, I have experience with them as the are a constant threat to my orchids. They're tiny enough that they get in easily through the screening on my pool cage, and ruin the flowers so I am vigilant.

First I use sticky trap paper - sheets of yellow sticky paper available at any garden center. I catch a LOT of thrips on that. The ones I have right now are made by Safer and are called "Sticky White Fly Traps" but they work great for other insects too. Even a few mosquitoes!

Second, I spray regularly with an insecticide with Spinosad as the active ingredient. It is safe for edibles, certified organic.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Florida
Canolabean
Jun 16, 2017 2:52 PM CST
sooby said:There are treatments but whether it is worthwhile if this is the only plant affected and most of it is damaged, and it's for eating, I'm not sure. But it would be better to make sure that really is the problem first, and the easiest way is to try and flush them out by tapping the plant onto white printer paper, it makes thrips easier to see against the plain white surface.


Your idea was great! I ran home for lunch and tried it, some type of spider like insects fell out!! Scared the bajeezums out of me! I tried everything and had no idea they were there! Now to figure out what they are! Thank you again!
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jun 16, 2017 3:47 PM CST
Interesting! Thrips don't look spidery, and I'm don't think any mites leave black poop. Could they by any chance have looked like these lacebugs, which do leave black droppings?

https://blogs.k-state.edu/kans...

Any chance you can get a picture of them if not?

Edited to add here are some more lacebug pics including the younger nymphs, which look different from the adults:

https://www.google.ca/search?q...
[Last edited by sooby - Jun 16, 2017 3:49 PM (+)]
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Florida
Canolabean
Jun 16, 2017 4:35 PM CST
sooby said:Interesting! Thrips don't look spidery, and I'm don't think any mites leave black poop. Could they by any chance have looked like these lacebugs, which do leave black

Any chance you can get a picture of them if not?

Edited to add here are some more lacebug pics including the younger nymphs, which look different from


Well I am pretty sure the first shake today there was two baby spider looking things..you can also see some type of light webbing underneath near the soil..I just tried again and here are a couple that fell out

Thumb of 2017-06-16/Canolabean/84d3ec


Thumb of 2017-06-16/Canolabean/360253

Name: Elaine
Sarasota, Fl
The one constant in life is change
Cat Lover Master Gardener: Florida Tropicals Multi-Region Gardener Vegetable Grower Region: Florida
Herbs Orchids Birds Garden Ideas: Level 2 Garden Sages Celebrating Gardening: 2015
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dyzzypyxxy
Jun 16, 2017 4:45 PM CST
Hm, color is right for a two-spotted spider mite but not enough legs. Not a lace bug, they have wings.

In any case, I'm backing up to my original advice - the soapy water spray. And spray all the surfaces of the plant especially the undersides of the leaves. Then rinse off with plain water.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill

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