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Sun, Aug 3, 08 at 12:39
| OK board mavens help me out here with my Purple Queen:
* Put in nice bed in the early summer * Nice container grown plants from Pike * Noticed when transplanting that a few of the runners were rotting off at the ground * Thought this was overwatering at the nursery maybe * Problem has persisted * Every day I pull great handsful of dead runners; rotted off at the ground causing the runner to die. * Bed is high and dry not overwatered - VERY careful about that SO WHAT IS IT ???
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Follow-Up Postings:
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| Check the rotted stems and ground areas for pinhead size tan spheres. It may be southern blight- info on internet. I'm not sure what species are affected. |
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- Posted by tony_atlanta (My Page) on Tue, Aug 5, 08 at 10:39
| doesn't really look like symptoms of SB --- no white stuff around the rot. I did notice lots of sow bugs at the base. |
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- Posted by girlgroupgirl 8 Atlanta (My Page) on Wed, Aug 6, 08 at 0:47
| If sow bugs are at the base my guess is that you planted it in very unammended red clay and the recent rains have had it rotting in the soil? |
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- Posted by tony_atlanta (My Page) on Wed, Aug 6, 08 at 23:15
| The substrate is indeed hardpan red clay, but I amended it with peat and processed manure - and it really doesn't seem unduly wet as the location is on top of a retaining wall. So who knows ?? I still think it is some bug or fungus that I imported with the purchase! |
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- Posted by spazzycat_1 (My Page) on Thu, Aug 7, 08 at 10:36
| These plants like lean, dry soil and will rot if the conditions are too rich and moist. I would not use peat to amend clay soil because it holds moisture when wet and the manure provides a substantial dose of nitrogen, which the plant probably doesn't need or like. You would do better to amend the soil with a product like permatill or pea gravel, or even remove most of the clay soil and replace with a nice draining top soil. |
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