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#1
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My rhododendrons are wilting
I have (had) three Lee's Dark Purple Rhododendrons that I am very fond
of. I have really tried to nurture them and had high hopes for their success. They were planted in Dec. '99 and seemed to be doing quite well, even making it through last summer's drought (with frequent watering). But I have lost one and I believe that I may be losing another. They are wilting in sections. It can be new growth or old, but the leaves of an entire branch will start to wilt, then another branch will go. They are in a natural area among Pine trees. Some Azeleas nearby are doing great! They have no obvious signs of disease. They were planted pretty shallow with peat moss and mini pine nuggets as soil amendments. It is odd that they would grow for four years, then succumb during a relatively mild and wet summer ... Thanks for listening! -- Mark Raleigh, NC USA |
#2
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My rhododendrons are wilting
Might be phytopthora dieback or phytophthora root rot.
Search the Web for details. JK On Fri, 29 Aug 2003 01:32:32 GMT, Mark wrote: I have (had) three Lee's Dark Purple Rhododendrons that I am very fond of. I have really tried to nurture them and had high hopes for their success. They were planted in Dec. '99 and seemed to be doing quite well, even making it through last summer's drought (with frequent watering). But I have lost one and I believe that I may be losing another. They are wilting in sections. It can be new growth or old, but the leaves of an entire branch will start to wilt, then another branch will go. They are in a natural area among Pine trees. Some Azeleas nearby are doing great! They have no obvious signs of disease. They were planted pretty shallow with peat moss and mini pine nuggets as soil amendments. It is odd that they would grow for four years, then succumb during a relatively mild and wet summer ... Thanks for listening! |
#3
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My rhododendrons are wilting
Mark,
I think John Kohl was right, and your rhodies do in fact have Phytophthora root rot, based on a website I found when I googled for "rhodendron wilt": http://www.hort.uconn.edu/ipm/nursery/htms/rhodrtrt.htm Unfortunately, I'm not sure there's anything you can do to save your plants, but you may find more tips if you search online. Last year's drought was tough on all my plants, even though I tried my best to keep them all watered -- to the point where I considered simply letting the vegetable garden die to conserve water. One thing that occurred to me was that, although I was diligently watering my perennials, the ground around them might be "wicking" away the water like a sponge. Anne Lurie NE Raleigh "Mark" wrote in message ... I have (had) three Lee's Dark Purple Rhododendrons that I am very fond of. I have really tried to nurture them and had high hopes for their success. They were planted in Dec. '99 and seemed to be doing quite well, even making it through last summer's drought (with frequent watering). But I have lost one and I believe that I may be losing another. They are wilting in sections. It can be new growth or old, but the leaves of an entire branch will start to wilt, then another branch will go. They are in a natural area among Pine trees. Some Azeleas nearby are doing great! They have no obvious signs of disease. They were planted pretty shallow with peat moss and mini pine nuggets as soil amendments. It is odd that they would grow for four years, then succumb during a relatively mild and wet summer ... Thanks for listening! -- Mark Raleigh, NC USA |
#4
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My rhododendrons are wilting
Not sure why, but I also lost 3 large Rhodies this summer. Noticed the
leaves are all brown and curled up and the stems are browning also. I heavily mulched them in the spring, and they are in a shady natural area. I did no extra watering last year and they made it through the draught. No watering this year - needless to say. The spot was always a very wet area - especially in the spring. Maybe is was the root rot, or else too much mulch (about 8"). I am more concerned about the loss of my oak trees. I'll start another thread for that. Robert "Mark" wrote in message ... I have (had) three Lee's Dark Purple Rhododendrons that I am very fond of. I have really tried to nurture them and had high hopes for their success. They were planted in Dec. '99 and seemed to be doing quite well, even making it through last summer's drought (with frequent watering). But I have lost one and I believe that I may be losing another. They are wilting in sections. It can be new growth or old, but the leaves of an entire branch will start to wilt, then another branch will go. They are in a natural area among Pine trees. Some Azeleas nearby are doing great! They have no obvious signs of disease. They were planted pretty shallow with peat moss and mini pine nuggets as soil amendments. It is odd that they would grow for four years, then succumb during a relatively mild and wet summer ... Thanks for listening! -- Mark Raleigh, NC USA |
#5
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My rhododendrons are wilting
In article ,
"Robert Gray" wrote: I think last summer's drought, the two ice storms, and now this wet spring/summer have really stressed the trees. I lost one old Maple and have another with some dead limbs this summer ... I am more concerned about the loss of my oak trees. I'll start another thread for that. Robert -- Mark Raleigh, NC USA |
#6
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My rhododendrons are wilting
In article ,
John Kohl wrote: Thanks all for the replies and leads. I will look into this. Might be phytopthora dieback or phytophthora root rot. Search the Web for details. JK On Fri, 29 Aug 2003 01:32:32 GMT, Mark wrote: I have (had) three Lee's Dark Purple Rhododendrons that I am very fond of. I have really tried to nurture them and had high hopes for their success. They were planted in Dec. '99 and seemed to be doing quite well, even making it through last summer's drought (with frequent watering). But I have lost one and I believe that I may be losing another. They are wilting in sections. It can be new growth or old, but the leaves of an entire branch will start to wilt, then another branch will go. They are in a natural area among Pine trees. Some Azeleas nearby are doing great! They have no obvious signs of disease. They were planted pretty shallow with peat moss and mini pine nuggets as soil amendments. It is odd that they would grow for four years, then succumb during a relatively mild and wet summer ... Thanks for listening! -- Mark Raleigh, NC USA |
#7
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My rhododendrons are wilting
One other possibility: Voles like to eat the roots of azaleas and
rhodos. Have you checked for quarter-size holes in the ground in that area? If you have them I have only one suggestion: Rozol down the holes. I am more concerned about the loss of my oak trees. I'll start another thread for that. Robert |
#8
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My rhododendrons are wilting
One other possibility: Voles like to eat the roots of azaleas and
rhodos. Have you checked for quarter-size holes in the ground in that area? If you have them I have only one suggestion: Rozol down the holes. I am more concerned about the loss of my oak trees. I'll start another thread for that. Robert |
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