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Questions, Answers and Comments by Category
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This sucker planted own-root gallicas years ago. Has time come up with any answer in how to deal with the ever-increasing perimeters. I can think of at least three gallicas that I surrounded with a buried ring of black plastic membrane vapour barrier, but all three have escaped and are on the run.
My only thoughts are a kettle of boiling water. (We have a slow combustion stove and I inherited my Mum's and Mother-in-Law's big kettles.)
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#1 of 2 posted
19 DEC 23 by
 jedmar
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John Hook told ne that he mowed the suckers regularly
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Mowing certainly works where you can. Charles de Mills on the left has already taken over three roses.
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Initial post
25 AUG 08 by
Moseby
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I have a garden that get's very wet during the winter - I was wondering if there's any rootstock that can help roses not to be to badly hurt by this ie. Rosa palustris - The swamp rose. Has anybody tried this or heard about varieties that are "water" resistant?
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Can anyone explain the pros and cons of using mycorrhyzal fungus in the soil around roses.
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There aren't any "cons" to their use, only "pros". Should your soil be deficient in them, the rose roots won't absorb nutrients as efficiently as they will with them. If your soil has its appropriate concentration, you probably won't notice any improvement. Therefore, the only drawback to adding them is, if you already have them, you'll be spending however much they cost where you are, for little to no visible benefit. Go for it, it couldn't hurt!
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Initial post
8 FEB 06 by
Anonymous-100347
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Is anyone working on the problem of oak root fungus? Here in Calif. several counties have this fungus endemic in the soil and while I use compost to be sure there is drainage, eventually or sometimes soon, the plants succumb. I was hoping some newly developed rootstock would be resistant to this.
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So far, nothing with the ability to have roses budded on it has shown any greater resistance to Oak Root Fungus. There have been some interesting results in inhibiting the fungus from progressing by using fresh horse manure. The fungus grows in compacted, soggy, nitrogen deficient soil. Aerating the soil, increasing the drainage and metering the water to prevent the soil from becoming soggy, and the addition of copious amounts of fresh horse manure have seemed to alleviate the problems associated with both Armillaria and Downey Mildew. The fresh horse manure not only has a great deal of readily available nitrogen (from the urine) but also high doses of bacteria. While I know of no "official" studies regarding the use of the manure for this purpose, anectdotal reports have shown improvment in several gardens where this treatment has been tried. |
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