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Is coffee good for plants?

by Sylvie
(Herndon, Virginia)


QUESTION:

Is coffee good for plants? I don't like the idea of throwing away any kind of organic waste. But I want to be sure that it's OK to put coffee around plants.

ANSWER:

If you are talking about adding used coffee grinds to your garden or to your compost pile, the answer is yes.

Coffee grinds are high in nitrogen and make a great addition to the organic matter around your flowers or vegetables.

You can either sprinkle the coffee grinds directly onto the soil, or add them to your compost bin or pile.

If you add them directly to the soil, keep in mind that coffee is also acidic, so you may also want to add something alkaline, like brown leaves.

This is a great question, because we all throw away a huge volume of used coffee. It may not seem like much when you look at what's there are after brewing one pot, but when you consider how much you throw away during the course of a year, it's quite a lot.

If we all composted our coffee, it would make a considerable difference.

Comments for
Is coffee good for plants?

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Jun 30, 2009
Tried
by: Anonymous

My mother has tried this for a while. I can't say it has worked but she did get some nice flowers on her Gardenia bush. Certainly hasn't killed it...

Jun 04, 2009
Is Coffee good for plants?
by: Anonymous

My wife and I have been watering our houseplants for years with left over coffee. I get up in the morning and the first thing I do is empty the left over coffe on some houseplant. wE HAVE A PEACE LILY from my wife mothers funeral sisteen years ago which we divide every spring into four more plants and give away, and it has had nothing but coffee.

Mar 16, 2009
the whole bag...
by: Anonymous

I had some old coffee that was in a bag (gaetano's the stuff from sun belt imports) like it was about 2 1/2 cups...My plant appears to be still alive, well its a bush in a bucket, but i havent seen to much of a difference...i sprinkled stuff on top of it, not really mixed it, so i'm seeing how that will work, i'll keep everyone posted :P

Feb 09, 2009
Coffee is good
by: Anonymous

Yes brewed coffee is good for your plants at room temp. I had a tree in my office that I rescued was on its last leg and was just about dead and just starting adding coffee without any sugar or creamer of course (no brainer)not knowing that is was good for it and it grew so big and was green and everybody was asking me where did you get that plant and I told them it was the one from the front office they were surprised and said it looks great. I have been adding coffee to my plants ever since.

Oct 26, 2008
still curious
by: Anonymous

That is what i am looking for. I assume that it is okay, but want to make sure. I do not like be wasteful and think coffee could be a nice addition to plants...in moderation of course.

Sep 17, 2008
What about...
by: Scammah

What about just left over coffee that has been made you know the liquid coffee... Can you pour it on your plants as long as it's room temp?

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