Found South Africa own root
Patty W. zone 5a Illinois
8 years ago
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Jasminerose, California, USDA 9b/Sunset 18
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huckdog1/ South Africa rose
Comments (4)Mine came from Palatine so it is on multiflora. Check RU for own root. This rose has a slight fragrance to me. I have never had blackspot or thrips on it. It grows large 5 ft by 3 ft. Never without a bloom. I use Rose tone or Holly tone and I spray with Monty`s Joy Juice for foliar feed. Hope you order one...I believe it will bring you joy! Lesley...See MoreOrganic roses in South Africa and thoughts about life and health
Comments (30)I found this article about roses and drought: http://paulzimmermanroses.com/care/summer-care/should-you-water-your-roses-during-a-drought/ The roses in my personal garden haven’t been watered in over a decade. And that includes during a drought. but then I read this in our rose breeder's newsletter: http://www.ludwigsroses.co.za/newsletter/ The way trees drink Scientists who study forests say they’ve discovered something disturbing about the way prolonged drought affects trees. It has to do with the way trees drink. They don’t do it the way we do — they suck water up from the ground all the way to their leaves, through a bundle of channels in a part of the trunk called the xylem. The bundles are like blood vessels. When drought dries out the soil, a tree has to suck harder. And that can actually be dangerous, because sucking harder increases the risk of drawing air bubbles into the tree’s plumbing. Plant scientist Brendan Choat explains: “As drought stress increases, you have more and more gas accumulating in the plumbing system, until they can’t get any water up into the leaves. This is really bad news for the plant because this is like having an embolism in a human blood vessel.” Like a human embolism, the gas bubbles stop the flow of fluid. If that persists, it means thirst, starvation and eventually death. Choat is from the University of Western Sydney in Australia, a region that has seen years of record-breaking drought. He wondered: How much drought does it take before trees start choking on air bubbles? He and a team of researchers studied 226 species of trees around the world, including desert trees, rain forest trees and many others. They discovered that for most, it doesn’t take much drought at all. “So this is the key thing,” Choat says, “that it would only take a small shift in terms of the moisture environment, the temperature … to push these plants across the threshold.” The threshold between drinking and choking, that is. The reason there’s so little margin of error is that trees have to finely balance eating and drinking. To eat, they open holes in their leaves, called stomata, to absorb carbon dioxide. But the more they do that, the more they lose water by transpiration through the stomata. Lose too much, and they have to start sucking harder — and risk a deadly embolism. Choat’s research, in the journal Nature, shows that it doesn’t take much drought before trees start to self-destruct. But what about trees that have evolved to live in really hot, dry places? They’re sippers, not gulpers. Plant scientists like Bettina Engelbrecht figured they’d have a larger margin of safety before they choke. “Instead,” she says of Choat’s research, “we find, well, it’s all the same — everyone is right at the edge and has a very risky strategy.” Engelbrecht, at the University of Bayreuth in Germany, studies rain forest trees. “Now, we have to worry about all of them,” she says. “We have to really deal with the problem at the global scale.” That’s because temperatures are rising around the globe. That makes drought more likely and more intense. Big droughts have hit southern Europe, Russia, Australia and the U.S. in recent years. The first 10 months of 2012 were the warmest ever in the continental U.S. Along with the heat came widespread drought, which still persists in the Southwest. Nathan McDowell, a plant scientist at the government’s Los Alamos National Laboratory in New Mexico, actually puts trees under plastic to see how they deal with less water and more heat. He says trees are adaptable, up to a point. “Now we’re changing that climate range really fast,” he notes, “faster than any of the living plants here have experienced. So can they change fast enough to adapt to that? You know, the preponderance of evidence right now is saying that [at] lots of locations around the world, they’re not adapting fast enough.” When they don’t adapt, they stop growing. Beetles and other insects invade. If droughts last long enough, the forests just die, and get replaced with something else. Please help me to understand this Straw.... What I've noticed in the past with severe droughts myself is that once a plant has reached it's threshold no amount of water can make it grow and live again...and if it does, it is usually riddled with all kinds of fungal (and other) diseases and bad insects. How can not watering your roses during a drought be a good thing, as stated in the site on the top?...See MoreKordes Newflora own root roses
Comments (23)Sue, love your comments. I too start my own-roots in pots and ask them to let me know when they're ready for the ground. Dark Desire slowed its growth significantly before the end of its first season here and will be going in the ground. Seemingly doesn't care for life in a pot. Savannah really took off; I could NOT keep up with pinching all the buds as much as I tried! Pink Enchantment seems to be a sparse vase-shaped HT; love the quality of the blooms but it is clearly going to test my patience. Let me report back after its third season! I went crazy on my spring orders for my garden and the one at the arboretum and have ordered Beverly, Eliza, Plum Perfect and South Africa. In the past I've been uncertain about Kordes in our intense 8A humid heat so the only others I have now are Lavaglut and Caramel Fairy Tale. Both very good here, BTW....See MoreSouth Africa: How Big?
Comments (9)Diane, thanks for your comments and pics (gorgeous, as always!). I have been following the recent thread(s) on Bernstein-Rose. It's definitely going on my list. Lots of good pics too on HMF, but unfortunately no comments on it, since the conversation was only an argument about "unknown parentage" roses and Rhapsody in Blue :-D Hugogurll, thanks for the comments... it's reassuring that it stays smaller for you!...See MorePatty W. zone 5a Illinois
7 years agowirosarian_z4b_WI
7 years agochris2486
7 years agoPatty W. zone 5a Illinois
7 years ago
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