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| I planted two Diablos last spring...same bed, full sun. One has really thrived, the second has done okay but recently I noticed a few of its branches had leaves that were limp and slightly more red than the rest of the plant. Thought it might need more water since its been a dry hot summer but increasing water has had no effect. I cut off the (dying?) limbs and now I've noticed a few more. No signs of bugs or mold, etc....just dying leaves. Any ideas? |
Follow-Up Postings:
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- Posted by ken_adrian z5 (My Page) on Fri, Jul 27, 12 at 19:07
| how did you plant them?? any root surgery.. or just jamming the potted plant into the hole what is you native soil ... ken |
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| They were planted correctly into amended soil. Last year the plant did fine, though it didn't show loads of new growth like the one next to it. This spring leaves came back, smallish but then new growth started showing up so I really thought it was fine until a couple weeks ago. Could it still be a root issue? I suppose it's worth it to check before cutting off any more branches, which is what I did with the first few that turned. I thought it was from a huge storm we had come through. But now more are showing the same red limp leaves. |
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| It does sound like a root or watering issue. Try watering with a slow drip right next to plant for several hours so you are getting the rootball really wet. If the plant does not improve, I would dig it up in the fall and check the root situation. |
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| Okay, watering deeply seems to have no effect. |
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- Posted by tsugajunkie z5 SE WI (My Page) on Thu, Aug 2, 12 at 20:06
| Give the deep watering time. And hold off cutting any more branches off. Limp leaves on a branch in a drought could rebud next year. tj |
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| Amended soil = planted incorrectly, due to how amending affects movement of water into and out of the amended area - from the unamended area around it. Unless the amended area is a big bed. But then there is still the problem of the amended bed reconsolidating etc. after the amendments decompose and filter away. Unless sand or other mineral material is used. But amending with sand has its own problems. Partial branch dieback of shrubs is often due to root rot. Specimen could have been infested at time of purchase or have become infested after planting, especially if amended area around it is receiving and collecting excess water. Believe it or not, cultivar name is spelled 'Diabolo'. |
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- Posted by ken_adrian z5 (My Page) on Tue, Aug 7, 12 at 8:20
| what is the native soil??? clay??? what is drainage of an empty hole??? in other words.. ever do a perk test???? the only guy who thinks amending is proper for a tree or a shrub.. is the guy who wants to sell you bags of amendments ... ken |
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