coffee grounds ...

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  #1  
Old 02-05-11, 12:40 PM
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coffee grounds ...

are they good for house plants ?

thanx
 
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Old 02-07-11, 07:28 AM
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I have no problems pouring left over coffee on plants instead of throwing it down the drain and coffee grounds can be put in a compost pile

That said, I cannot answer your question about putting them directly on plants - I can think of no value they would provide, I'm thinking more along the lines of whether they would cause any harm
 
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Old 02-07-11, 07:57 AM
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Lots of info at Green Talk "Coffee Grounds, Garden Friend or Foe". Many links to papers and studies. Looks like most agree that some for acid loving plants would be OK but mostly to be used as a soil amendment and compost.

I think they are mostly talking about outside plants as well.
 
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Old 02-09-11, 07:43 PM
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thanx guys

i was thinking it would be a poor mans fertilizer. and help build up the soil.
 
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Old 02-10-11, 05:54 AM
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We throw ours out the back door under the grape vines. They love it, I guess. But putting it concentrated in house plants may be too much. I'd add it to soil, mix it in and use it for potting, maybe.
 
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Old 02-11-11, 10:01 AM
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Chandler - do your grapes taste like coffee?
 
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Old 02-11-11, 06:46 PM
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Hmmm, after I make wine with them, who cares????
 
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Old 02-27-11, 09:38 AM
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Only for very low pH crops like blueberries. Coffee is in the 3-4 pH range. It will kill your lettuce, brocolli, etc. Unless your house plant is acid-loving (doubtful), I'd find other uses for the coffee grounds...
 
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Old 03-08-11, 09:24 AM
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My mom swears by it being the reason for her healthy flowers and veggies. And mom cant be wrong..
 
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