Ask a Question forum: What is this little hard stuff all over my garden?

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HeatherS
Oct 14, 2016 7:16 AM CST
There is little hard things all over my garden. Accumulated on leaves sprinkled on the mulch etc. They are hard non symmetrical. Nothing seeding above. No signs of fungus or mold. No bugs. The texture/color is close to ground up nuts. My neighbors and I are stumped! Please help! I'm located on the gulf side of Florida north of Tampa (if that helps). Seemed to come over night. What could this be???
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Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Oct 14, 2016 9:00 AM CST
That is mysterious, Heather. Has the power company or anybody been pruning branches around your place lately? The wind could have blown some sawdust over - that's what it looks like to me.

But you can take a sample of it to your local Extension office, tell them where you found it, and they will have a microscope they can look at it with. That should determine if it's anything to worry about.

The other thing it resembles a little bit are Mosquito Bits. Any chance your County has been spreading those around your neighborhood lately? It's a good thing if they have, much better for you and the environment than spraying noxious insecticides.
Elaine

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Name: Alyssa Blue
Ohio (Zone 5b)
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AlyssaBlue
Oct 14, 2016 9:18 AM CST
Looks like Preen, or other type of weed preventor.....and someone spread it without being too careful.
Name: Sally
central Maryland
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sallyg
Oct 14, 2016 9:31 AM CST
Look up and see if it could b e falling from overhead trres or structure. I had carpenter ants dropping dark brown crumbles while they excavated in my maple tree
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Name: Britnay
Detroit Mi (Zone 6a)
Oh! What's that?! ....oops...
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1hugaholic
Oct 14, 2016 9:36 AM CST
Looks like sawdust to me.
Kinda creepy though eh? It just showed up all at once?
Does it stick to the plants and mulch or can some wind blow it right off? Shrug!
Lord please let this seed not be a weed!
Name: Britnay
Detroit Mi (Zone 6a)
Oh! What's that?! ....oops...
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1hugaholic
Oct 14, 2016 9:37 AM CST
Welcome! Welcome! Welcome!
by the way! (sorry I didn't say that in my last post.)
Lord please let this seed not be a weed!
Name: kathy
Michigan
Zone 4b, near St. Clair MI
katesflowers
Oct 16, 2016 1:23 PM CST
I live in Michigan and I know we share very few problems, but that looks similar to the 'saw dust' of the wood bees we have here.
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Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Oct 16, 2016 4:37 PM CST
At first glance it does look like sawdust (as from cutting wood with a saw) but looking more closely the pieces are not 'dusty' enough. The individual pieces are very uniform, so maybe something left by carpenter bees or carpenter ants or other such wood chewing/dwelling critters...but the color and size are so uniform it looks more like some product that was applied such as Preen (as was suggested) or possibly some other type of weed preventer or fertilizer or possibly insecticide granules? Do you have a landscape maintenance company working in your yard?

Edit to add 'insecticide'.

Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
[Last edited by greene - Oct 16, 2016 4:38 PM (+)]
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Name: Dave
Southern wisconsin (Zone 5b)
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Nhra_20
Oct 16, 2016 5:13 PM CST
The coloration kind of reminds me of crushed coral for aquariums.
Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
Rabbit Keeper Critters Allowed Celebrating Gardening: 2015 Plant Identifier Garden Ideas: Master Level Garden Sages
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greene
Oct 16, 2016 5:54 PM CST
I re-read the original post. Is this only in your yard? or have any other neighbors found this mysterious stuff on their properties?

Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"

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