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cityandbeachmom
Vineyard hopping time
Member since 6/10 1821 total posts
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Suffer the pain of discipline,
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What is this powdery substance on my plants/ mulch
In the morning, I take a walk around my garden beds and notice on the mulch and on the stems of some plants two powdery substances. One is completely yellow and when touched all yellow Another is light colored the outside but like a dark powdery brown substance on the inside. The second one I find on my hostas and the first on various places on my black mulch. I am cluesless as to what it could be. Help!
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Posted 7/22/11 9:52 AM  |
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greenfreak
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Member since 9/06 11483 total posts
Name:
greenfreak
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Re: What is this powdery substance on my plants/ mulch
It's mold/mildew. Your mulch is probably too thick or compacted. It's made worse by the humidity lately too, I'm sure. You could push the mulch away from the crowns of your plants for a few days, let them air out a bit. Fluff up the mulch, see if that helps. I read that you should put 3" of mulch down but I usually do less or I get mushrooms.
The yellow stuff... ugh. So gross, right? If you wait long enough, you'll see bright yellow mushroom looking things growing out of them. 
Message edited 7/22/2011 10:01:08 AM.
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| Posted 7/22/11 9:59 AM |
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cityandbeachmom
Vineyard hopping time
Member since 6/10 1821 total posts
Name:
Suffer the pain of discipline,
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Re: What is this powdery substance on my plants/ mulch
Thank you so much! You are so knowedgeable about gardening and you always help me tremendously. If I had 10% of your green thumb, I'd be grateful
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| Posted 7/22/11 11:17 AM |
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cityandbeachmom
Vineyard hopping time
Member since 6/10 1821 total posts
Name:
Suffer the pain of discipline,
|
Re: What is this powdery substance on my plants/ mulch
The yellow stuff... ugh. So gross, right? If you wait long enough, you'll see bright yellow mushroom looking things growing out of them.
If you remember a post you answered from weeks ago about my beach grass that was partially dead. It turns out it WAS getting too much moisture. The sprinkler head was literally spraying at the base of the grass AND bright yellow mushrooms were growing on the other half. My landscaper is going to replace it free of charge when he comes around to do some other work. Thank you again for all of yor advice!
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| Posted 7/22/11 11:43 AM |
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greenfreak
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Member since 9/06 11483 total posts
Name:
greenfreak
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Re: What is this powdery substance on my plants/ mulch
Posted by cityandbeachmom
Thank you so much! You are so knowedgeable about gardening and you always help me tremendously. If I had 10% of your green thumb, I'd be grateful
Thank you!  Trust me, I have left plenty of dead plants in my wake. I do learn from screwing up as much as I do from reading about things and trying them out.
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| Posted 7/22/11 1:04 PM |
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greenfreak
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Member since 9/06 11483 total posts
Name:
greenfreak
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Re: What is this powdery substance on my plants/ mulch
Posted by cityandbeachmom
If you remember a post you answered from weeks ago about my beach grass that was partially dead. It turns out it WAS getting too much moisture. The sprinkler head was literally spraying at the base of the grass AND bright yellow mushrooms were growing on the other half. My landscaper is going to replace it free of charge when he comes around to do some other work. Thank you again for all of yor advice!
I had a hunch  I'm really glad your landscaper is working with you, because I know that those grasses are not cheap!
Another tip is to put out a tuna can anywhere you are questioning moisture. In general, if it fills up with water more than once or at most twice a week, it may be too much. If it doesn't fill up at all, it's too little.
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| Posted 7/22/11 1:09 PM |
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