Turning over a new (rose) leaf
29 days ago
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- 29 days ago
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black leaf-tips on new rose
Comments (7)Sounds like you have both the disease blackspot, and leaves damaged by a)chemical burn from using two different sprays in one week and/or b) drought damage and/or c) fertilizer burn on newly planted roots. Daily sprinklings isn't good for roses. You need to soak them long enough to get the whole root area wet, and then wait for that water to drain off or be used up before watering again. That usually means not every day. Every few days, depending on soil type and weather. You're right to water early in the day, but you're probably watering too short and too often. Roses need about an inch of rain or sprinklers every week. David Austen roses are very susceptible to blackspot. That's life. Blackspot can't be killed once it sets in, you have to spray regularly, before you see it, to prevent it. Only use one fungicide at a time. Two in one week is too much. More is not better. You can damage plants by misusing fungicides and insecticides. And make sure the plants are well watered the day before spraying, to avoid burning them with the chemicals. I also don't spray when the daytime temp is going to go over 85 degrees as plants can burn in hot temps. Leave the rose alone for now. It needs all its leaves on it to prepare for winter, even if they're damaged. The rose will drop them itself if it's necessary. No fertilizer this late in the game, and it's best not to fertilize newly planted plants anyway. Start anew in spring, with fertilizer and preventative fungicides....See MoreOsmanthus Fragrans leaf tip turned brown
Comments (25)I bought a one-gallon Fudingzu from Nurcar this spring. It grew right along over the summer. It responds to misting with new growth. Repeat, it responds to misting with new growth. I moved it to the front porch while my deck was being renovated, and neglected the watering. Leaves turned brown at the tips. Moved it back, resumed watering (and misting with the hose several times a day). It resumed new growth after several weeks. Left it outside til temps were threatening to go below 20, then moved it into the garage, which stays app 10 degrees warmer. Again, let it get too dry, since it was cold and dark out there. With the recent dip in temperature, finally brought it indoors to a sunny west window. Dropped a lot of leaves (too dry), but not all. It still has a nice form and plenty of leaves. Within a couple of weeks, set literally dozens and dozens and more dozens of buds, which are now opening. Butterfly's advice to flush salts out of the pot is very good. Osmanthus are said to react poorly to buildup of fertilizer salts. If you want new growth on your Osmanthus, please follow Mike's and my advice: mist the branches. Outdoors, you can just mist with the hose several times a day, til the branches drip. Indoors, maybe you can water it in the shower or tub, spraying the branches all over. I'm not sure why misting works so well with Osmanthus (I do it to my other potted plants outdoors as well). Maybe the humidity in its native habitat. But make sure, this really does work....See Moreleaf tips turning brown
Comments (4)I got a tall dark pink peony? plant from the spring swap Thanks Adriana . It is so beautiful. I planted in the full sun, in miracle gro garden soil in an area where it drains pretty well. Here is my question...It looks wilted, (still flowers), but some of the tips are turning black... What is happening? I have not watered it much as they has been so much rain. ... I am not very knowledgeable about flowers.. Could anyone tell me what I must do to make it happy again?...See MoreNew roses branches turning black.
Comments (6)ok caflowerluver... How are the Austin roses doing? Thanks! I just noticed you been growing roses for a long while! Awesome! Yes if this happened to me I'd be wondering too because this is not your normal situation for sure... I have 4 of the same type mini grocery store roses planted in different locations and last October all there canes started turning black and they look dead right now. All 4 plants... Since I did not fertilize and they are in different locations I'm baffled...lol...See MoreRelated Professionals
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