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Organic ways to deal with Rust
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Posted by
Kippy-the-Hippy 10 Sunset 24 (
My Page) on
Fri, Jun 15, 12 at 20:02
| Since you all are having fun with Black Spot, I was hoping I could get some organic ideas on dealing with rust.
Mom's favorite older roses dad planted are magnets along with other none rose plants.
I would like to know if I can treat now to reduce for next season and how.
It is cold and damp this week, but next week we will be hot again. With a big veggie garden, nothing that hurts bees or non organic. |
Follow-Up Postings:
RE: Organic ways to deal with Rust
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RE: Organic ways to deal with Rust
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| Sadly, a shovel really is the best "treatment." I will except roses that rust at the end of the season, on old foliage, but if they rust on new foliage -- ymmv, but to me, that's not acceptable. That said, this WAS an exceptionally bad spring for rust, and the unusual weather patterns even brought us blackspot. I don't think I'd judge a rose on its performance THIS spring. Jeri |
RE: Organic ways to deal with Rust
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| Okay, that was pretty snarky, but a lot of people will tell you to simply shovel prune for rust, and I was pretty sure you would have a hard time finding anything Organic for Rust. I have always used LiquiCop (per advice from Vintage Gardens), and it works just fine. And, just now I googled liquicop and rust and....it seems to be included in a list of approved organic items for rust.... Amazing |
Here is a link that might be useful: Liquicop
RE: Organic ways to deal with Rust
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| Landlady, I would love to shovel prune old Don Juan, but my dad planted it and he has passed away. Mom enjoys the rose (she does not see the rust) So, no shovel for it. Who knows, it might bloom and not ball! I think the best canes on the bush were the ones I cut out aka Doctor Huey. Besides, Don is 20+ years old, probably has roots like tree trunks down there. And the other plants normally are not rust buckets, but this year they are. I just want to get a handle on the rust issue for next season. |
RE: Organic ways to deal with Rust
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| Poor old Don -- You know, Kippy, I've not grown him, but I've seen him grown here, in non-spray gardens, and he wasn't rusty. And our area is enough like yours . . . HUEY, OTOH, rusts. So, maybe, with Huey gone, and some good fertilizer and water, the old Don might make a comback -- and might in a better year NOT be a rust-bucket. Jeri |
RE: Organic ways to deal with Rust
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| Two years ago I was advised to shovel out my rust bucket of an Everest Double Fragrance. I couldn't do it. I pulled the leaves, cleaned up, sprayed her and the ground under her with LiquiCop, and this is her second season with no hint of rust. Try it....you may like it. |
RE: Organic ways to deal with Rust
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| There is Serenade, an organic, bacterial fungicide you might try. Kim |
Here is a link that might be useful: Serenade
RE: Organic ways to deal with Rust
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| I have a lot of Bordeaux powder, can I use it this time of year? It is pretty old, could it have lost its umph? Jeri, I have so many rusty things and old fungi to clean up from the decades of unchecked overgrowth from the years between when Dad could no longer handle the garden and when he decided I could start cleaning it up. Little things like truck bed loads of peach pits from infected trees. My goal is a better next year for certain plants (note most of my new roses are planted away from the rust "belt") |
RE: Organic ways to deal with Rust
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| As long as it's kept dry, Bordeaux shouldn't loose it's "oomph" as it's copper sulfate, lime and water. All of these last a very long time as long as they aren't acted upon by excess water. For roses, it's mostly effective against black spot, not rust. |
Here is a link that might be useful: UC Davis IPM - Bordeaux
RE: Organic ways to deal with Rust
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- Posted by elks US5 Can6 (My Page) on
Sat, Jun 16, 12 at 5:02
| Your roses in SoCal suffer from rust far more often than mine here in the Great Lakes, so forgive me for offering an 'organic' solution that has worked for me on the rare occassions some of my plants have suffered from it. When the plants go dormant in the fall, I raze them to the ground (our bud unions are below grade), thus stripping the plants of any fungii on the canes because there are none. The new canes are disease free and, for me, have stayed that way. Steve |
RE: Organic ways to deal with Rust
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| Sulfur (plain micronized sulfur, not lime sulfur) is listed as a rust control and it is considered organic. (I have no experience with rust, so can't endorse.) |
RE: Organic ways to deal with Rust
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| Watch the sulfur (and oils) with heat and intense sun. Both are highly phytotoxic and can quickly fry the leaves. I leave the rust alone. It's too hot and too windy to treat my roses with anything for the fungus. There is too much wildlife and I am too sensitive to chemicals to add one for that issue to my environment. Though it hurts, if the rose won't let go of the rust enough to perform, it gets treated with a shovel. Kim |
RE: Organic ways to deal with Rust
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| I agree with Kim -- but sensitive to your situation with this rose, I'd say for the present, remove the rusted leaves, give the old Don plenty of water, and see what he can do. Are you getting thick June Gloom? I think you get less of it than we do, but even in June Gloom, the afternoons clear. We have bright sun today, with the lightest sea breeze, and pleasantly-warm temps. There's not much you can spray on these roses at this time that won't cause more problems than they fix. Jeri, South of you, in Camarillo |
RE: Organic ways to deal with Rust
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| Hi Jeri, We probably get the gloom thicker here, yesterday you would have thought it was raining by the drips off the plants and roof. It cleared about sunset, although the drizzle had stopped by about 2pm Mom's will have the sun pop out before my house, I am too close to the ocean, she has a foothill between her and the beach. It is not just roses that have rust, but I thought I would ask here. I have one plant that I am going to yank out, save what I can and spray the rest down and toss the top few inches of soil. The ground is orange under it. Would spraying the bare ground after the removal help kill spores? (it was below a fungi infested peach-gone now) with too much shade for the plant |
RE: Organic ways to deal with Rust
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| Sounds like your conditions and mine are running the same. I quit working outside yesterday. It was just a mizzible drizzle. :-( Clearer here today, though. And yeah, I think I'd try to remove ALL of that litter and toss it in the trash. Back when we sprayed (with chemicals) yes, I would have sprayed the ground, too. But I'm not "up" on that stuff, now, and I don't honestly know what would work, and what would do harm. Jeri |
RE: Organic ways to deal with Rust
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| Kippy, for what it may or may not be worth, there are many many different "rusts". The rust that occurs on hollyhocks (ugly ugly ugly)for example is not the same rust that occurs on roses. That may also be the case with your peach??? Removing or medicating other plants that are infested with their version of rust might not make any difference to the rust affecting your roses.... |
RE: Organic ways to deal with Rust
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| Remove the offenders. I will no longer tolerate "rusties" in my garden, period. |
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