Apparently they are OK. If you Google, you'll find that there are a couple of 'de bunkers' but nothing to say they will harm your roses. so I'd go for it. http://www.ehow.com/about_4565466_feeding-roses-coffee-grounds.html I put mine in the compost & they eventually go on the roses.
nauru,
Sep 15, 6:58am
Mine are composted too.
cantabman1,
Sep 15, 7:18am
And me, worms love em.
goldywing,
Sep 15, 9:04pm
Wild Bean has little bins where they stash the grounds that are free to take-away for gardens
vitaminh,
Sep 15, 9:21pm
I use grounds on my lawn with good success :)
steptoesnr,
Sep 15, 9:31pm
And I don't use grounds on my lawn with good success!
bluefrog2,
Sep 16, 12:05am
A bit now and then is fine, but if you're going to be using lots of coffee grounds regularly, like commercial coffee shop quantities every day, I'd compost it first.
wendalls,
Sep 16, 3:47am
Someone posted a link recently to a very thorough looking study which showed coffee grounds severely inhibit vege plant growth. Good for stopping weeds then. I'd be cautious.
macandrosie,
Sep 16, 7:12am
We used to throw coffee beans out over a rose bed, on one in particular & over the summer one day the plant just keeled over sideways! Don't know if we overdid the dose or not, but might be better to spread around several roses & not the same one all the time!
pamellie,
Sep 16, 10:40pm
I went to an open home once with a large garden that smelled of coffee, apparently they used it for mulch. Can't remember how the garden looked but I do remember the smell!
I've used it on the indoor plants I've got & both looked better afterwards. a fern & a succulent - both about 20yrs old.
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