HomeRoast Digest


Topic: coffee grounds in your compost (10 msgs / 241 lines)
1) From: Kris McN
Hey All,
There have been various threads over the years about adding coffee grounds
to your compost, or using them directly as a soil amendment.  Here's an
article from the OSU Extension Service on it:http://oregonstate.edu/dept/ncs/newsarch/2008/Jul08/coffee.htmlIn brief: turns out that they won't really change the pH of the soil as the
coffee acids are water-soluble and come out in the brew.  They're great for
your compost pile; a good source of nitrogen (can sub for manure) and they
attract earthworms, but if you add them directly as a soil amendment, say to
your veggie garden, you will want to supplement nitrogen (which is true of
most un-composted organic matter supplementation) or you can get stunted
plant growth.
Best,
Kris McN
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2) From: Matthew Price
On Fri, Jul 11, 2008 at 12:14 PM, Kris McN  wrote:
<Snip>
In warm weather I usually sling the top bowl on my vac pot out into
the front yard before I wash it out.
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3) From: Tom & Maria - Sweet Maria's Coffee
<Snip>
Thanks Kris - I use a lot of grounds in my worm beds, and they love 
it. I am sure a little residual caffeine makes them a bit wired! I 
know that in terms of texture and drainage it is good. If it dries 
out to much, ant will move into the compost, so I keep it covered and 
a little damp.
Tom
-- 
!
                   "Great coffee comes from tiny roasters"
            Sweet Maria's Home Coffee Roasting  -  Tom & Maria
                      http://www.sweetmarias.com                Thompson Owen george_at_sweetmarias.com
     Sweet Maria's Coffee - 1115 21st Street, Oakland, CA 94607 - USA
             phone/fax: 888 876 5917 - tom_at_sweetmarias.com
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4) From: Vinny Parisi
Thanks for the article on this, I always thought the grounds would alter the
pH too much. I'd like to find out more on the Hotbeds being made with coffee
grounds.
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5) From: raymanowen
"...great for your compost pile; a good source of nitrogen (can sub for
manure) and they attract earthworms, but if you add them directly as a soil
amendment, "
Hmmm- isn't there a certain substance sold by green coffee purveyors that
could directly apply as a soil amendment?
"...say to your veggie garden, you will want to supplement nitrogen-"
[*Not unless you first obtain a variance from EPA or apropriate government
agency*]
John Q. can't just toss this parc in the garden- think of the runoff...
Cheers, Mabuhay -RayO, aka Opa!
-- 
"When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the Mighty
Wichita (ex- NYC Paramount) WurliTzer- 1976
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6) From: Robert Flanery
No variance is needed for use of Nitrogenous fertilizers in private use, and
in most cases public use as well in the united States.  Care should be
exercised to ascertain the need for nitrogen, and the form in which it is
applied.  Also, be aware that most organics placed into soil should be
wetted throughly at the time of application, lest they become hydrophobic.
And it takes a great deal of any soil amendment to make any measurable
improvement to a soil profile.  It is better applied in the form of compost
during dormancy to protect against any errant salt damage to fickle.
That having been said, use common sense when applying any form of soil
additive.  Nitrogen is mobile in most all forms, and WILL move off site
rapidly if not placed correctly.  Stewardship is everyone's responsibility.
On Fri, Jul 11, 2008 at 10:01 PM,  wrote:
<Snip>
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7) From: Larry Williams
I put all my grounds in the compost pile and I also get grounds from 
Starbucks. 
Larry
Robert Flanery wrote:
<Snip>
No virus found in this outgoing message.
Checked by AVG. 
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8) From: Elliott H. O'Reilly
I only use the finest Sweet Maria's coffee grounds in my compost as I most
assuredly do not wish to offend the highly developed tastes of the worms and
bacteria working so diligently in my compost pile.  I used to use only the
finest quality Arabian horseapples but I have come to realize that Sweet
Maria's coffee grounds are much more beneficial to my compost.  I was
involved with landscaping & lawncare for 30 years and I now only mulch my
beds with compost.  I grow tomato plants in large pots on my patio using
only compost and my neighbors are amazed at the size and production of my
plants.  It is true that uncomposted & green wood chips and organic matter
will draw nitrogen out of the soil and will have a negative impact on the
plants.  Coffee grounds are an excellent addition to compost as are egg
shells and most green kitchen waste.  I avoid adding rose and tomato waste
and some other plants that are often diseased though most pathogens are
destroyed if the pile is hot.  The nitrogen added to the pile in coffee
grounds helps to feed the bacteria that are breaking down the organic matter
and producing the heat in the process.  My compost pile when active is hot
enough to burn my hand if I stick into the pile.
Elliott 
St. Louis

9) From: Dave Huddle
Elliot,
This should have been prefixed with a spew alert warning!
Dave
Westerville, OH
"I only use the finest Sweet Maria's coffee grounds in my compost as I most
assuredly do not wish to offend the highly developed tastes of the worms and
bacteria working so diligently in my compost pile.  I used to use only the
finest quality Arabian horseapples but I have come to realize that Sweet
Maria's coffee grounds are much more beneficial to my compost."
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10) From: Elliott H. O'Reilly
Dave,
Besides coffee, the only thing that I take seriously in life is death and I
haven't gotten there yet!
Elliott


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