Black spots on roses - August 2nd, 2006 at 12:09 AM
Somehow it reminds me of a childrens song "black socks they never get dirty", only you'd replace "socks" with "spots"
sorry for the digression
So here's the low-down. I've been working at a garden center for the summer and it's been great! BUT beacuse of all of the gardening that I do there (we also have an acre of show gardens) my plants at home have suffered slightly. A couple of weeks ago I finally got around to doing some rose care and they aren't looking so hot.
They all have black spot, some worse than the others, and one has aphids. I'm told to use a mild soap solution on the aphids, no problemo. I read that I should remove the leaves with the spots on them, but that wouldn't leave much for the plant to grow on. Our greenhouse manager suggested a hydrogen proxide dilution, but I haven't gotten the dilution rate from her yet (if you have it could you please pass it on?). So I'm looking for suggestions on what people have found works.
Thanks
Jess
sorry for the digression
So here's the low-down. I've been working at a garden center for the summer and it's been great! BUT beacuse of all of the gardening that I do there (we also have an acre of show gardens) my plants at home have suffered slightly. A couple of weeks ago I finally got around to doing some rose care and they aren't looking so hot.
They all have black spot, some worse than the others, and one has aphids. I'm told to use a mild soap solution on the aphids, no problemo. I read that I should remove the leaves with the spots on them, but that wouldn't leave much for the plant to grow on. Our greenhouse manager suggested a hydrogen proxide dilution, but I haven't gotten the dilution rate from her yet (if you have it could you please pass it on?). So I'm looking for suggestions on what people have found works.
Thanks
Jess