Tree Peony Dying? Please Help.

ecardenaApril 27, 2009

I have a Hanakisoi tree peony that's been in my garden for about 12 years. It's gorgeous. Or it was. It's about 6 feet wide by 5 feet tall. New growth is just starting to come out on the lower part of the plant, and some growth is about 3-4 inches long. But, all of the tiny leaf buds that set themselves last fall are basically mush. There is no sign of growth from the tips of the branches to about 3 feet down the stems. It's definitely not just a case of being slow to leaf out this year either. What could possibly be wrong, and what should I do?? This has never happened before, and this winter wasn't harsher than others, and I protected the peony the same way I have in all previous years. Please help!

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ebster

Could it be grey mold? Has it been wet and rainy? Google gray mold and see what you can find out.

    Bookmark   April 28, 2009 at 11:34AM
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ecardena

I thought maybe gray mold/botrytis, but our spring has been pretty dry actually. The peony gets good air circulation, even though I put leaves around the base in the fall (always have), and remove them early in the spring. The growth that is coming out looks great--looks like it should/normally does. I'm just at a loss--literally the whole 2/3rds of the top of the plant seems dead. Any other ideas? Thanks!

    Bookmark   April 28, 2009 at 6:09PM
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maifleur01

Look for holes along the stems. Early for them but sometimes insects will bore into the stems causing damage. It does sound more like a fungus that insect damage. If no holes found send an email to Rick Rogers of Brothers Tree Peonies to see what he suggests.

Here is a link that might be useful: Brothers

    Bookmark   April 28, 2009 at 9:23PM
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ecardena

Thanks for the suggestions. I wanted to post a followup in case anyone else has this problem. I did contact Rick, and he was really helpful. Sounds as if our freeze-thaw cycle this spring may have killed the buds on the upper part of the plant.

    Bookmark   April 30, 2009 at 11:06AM
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maifleur01

Rick is great with answers. Even better if he does not know he will tell you that he does not know something.

    Bookmark   April 30, 2009 at 5:47PM
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ecardena

Rick really is helpful. To followup again, I did some hard pruning yesterday and discovered some kind of borers and larvae! Makes me really angry. So, I'll be applying systemic and hope that it comes back. My poor peony--it was so gorgeous.

    Bookmark   May 1, 2009 at 4:22PM
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maifleur01

If nothing else it should send some shoots up from the bottom. Just make certain that they are similar to the tp foliage.

    Bookmark   May 1, 2009 at 9:36PM
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