P.M. resistant Tea roses?
luxrosa
12 years ago
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rosefolly
12 years agolast modified: 9 years agoroseseek
12 years agolast modified: 9 years agoRelated Discussions
most blackspot resistant hybrid tea?
Comments (42)MichaelG posted a formula to treat botrytis a few years back that worked wonders. The chemical base was calcium nitrate or some other form of soluble calcium if I remember well. It had to be sprayed on the rose blooms before they opened. Worked like a charm, the material was cheap and not dangerous like Daconil or the extremely expensive stuff like Degree (??). The best compound is not available here in the south but for those in the north who still have snow can be bought now because it is used for melting snow - I just cannot recall the name, since I never saw it here. Maybe calcium sulfate? (???) Michael, if you have the article or the summary handy, would you be kind enough to re-post it? I know that I saved it somewhere but it will take time till I find out where....See MoreCanadian disease resistant hybrid tea roses
Comments (7)The Greater Toronto Rose & Garden Society web page is at: http://www.gardenontario.org/site.php/rosegarden A quote from their newsletter. "Rose Varieties There are thousands of roses to choose from and some are easier to grow and more disease resistant than others. Here are just a few of our members suggestions; Polyanthas: The Fairy, Red Fairy, Katherina Zeimet Shrub roses: Bonica, Ballerina, Henry Kelsey, Knock Out, Mordon Sunrise, Morden Blush, Lambert Close, Hope for Humanity, Golden Wings. Rugosas: Henry Hudson, Jens Munk, Henry Kelsey, John Davis Austin Roses: L.D. Braithwaite, Mary Rose, Abraham Darby, Graham Thomas, Brother Cadfael, Othello, Winchester Cathedral, Hyde Hall Hybrid Teas: Savoy Hotel, Double Delight, Touch of Class, Memorial Day, Blue Moon, Julia Child, Fragrant Cloud, Elina, Pristine Floribundas: Honey Perfume, Iceburg, Sexy Rexy, Tabris, Burning Glow, Intrigue, Margaret Merril, Playboy, Snowdance. Climbers: New Dawn, Blaze, Swan Lake, Galway Bay, Fourth of July, Dortmund, Golden Showers, Aloha Miniature: Jeanne Lajoie, Green Ice, Mountie, Amber Glow Old Roses: Henry Martin, R. verdiflora, Fantine la tour, Rosa Mundi, Tuscany Superb." Here is a link that might be useful: Greater Toronto Rose & Garden Society...See MoreAshdown Teas and Noisettes, p.t.m. about:
Comments (9)You're welcome. I'll try to get through on phone tomorrow. I hope the ones I've picked out are still left, quite a few of a couple. I beat this subject to death, but it is a major issue with me. Only one I picked out might be a Jap beetle magnet because the others are once bloomers and should be done by June 29 when they usually start chomping here. Their first preference so far is anything with yellow/orange/pinks w/yellow mixture, in the sun. Oops, they like Awakening, no yellow I can see in that one. Dare I ask you what you do about Jap beetles or are you lucky enough not to get many? So I'm a little worried about more roses to fight those things which really wore me down last year. I'm reluctantly going to try Sevin this year, but won't use any product with imidacloprid in it, kills bees, unless I spot spray just the bloom and cut it off right away. I'm not using soapy water as my major line of defense in the heat of the summer, have enough else to worry about. Even spraying will be hard to do every 4 days, hope I can cut it back to once a week. It's become kind of an obsession with me; if there's one out there, I want to hunt it down and kill it, don't obsess about other rose ailments & bugs, just put up with it. I won't spray the once bloomers unless they start showing up on those, too, shouldn't need to unless things get worse. I know most of my options for grub control in my zone, so don't bother about that part of it. Appreciate your sticking around to help us here....See MoreWhat are your most disease resistant Teas?
Comments (11)Patrick, I'm in VA and experience very hot, very humid summers. I've been trying MANY different varieties of Teas and China roses, and I grow them all totally no spray. I can't comment on size of the bushes because my roses are still so young, and, in their first spring after their first winter in my garden, they got severely set back from that peculiar Easter freeze. Just now are most of them really starting to show some decent recover. That said, here are somein the more pink range that seem to be doing very well for me: Comtes du Cayla (I LOVE this rose) Maman Cochet Mme. Antoine Mari Mrs. B.R. Cant William R. Smith Jean Bach Sisley Spice Caldwell Pink (polyantha bloom machine) I'm noticing from my master list, that I grow too many yellowish Teas...oh well. Robert...See Morejerijen
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