Forsythia Dying

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haighr Laurel, DE(Zone 7a) Aug 06, 2015

What is boring into my new forsythia and killing the plants on the Delmarva Penninsula. And how do I stop it? Only one is hangin on. Have lost 3 others already.

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Diana_K Contra Costa County, CA(Zone 9b) Aug 06, 2015

http://www.growingproduce.com/fruits/apples-pears/black-stem-borer-old-pest-but-new-problem-for-new-york-apple-growers/

Here is some info about a group of borers that are known to attack a wide range of hosts, and I am pretty sure they are in your area.

If you can actually find the little beastie, then ID it, you can time the sprays specifically to that life cycle.

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haighr Laurel, DE(Zone 7a) Aug 06, 2015

Thanks for the info.

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weeding Peachtree City, GA(Zone 8a) Aug 11, 2015

I didn't think anything could kill a forsythia. I have tried to kill my forsythia for the last 25 years. It tends to be invasive for me.

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haighr Laurel, DE(Zone 7a) Aug 13, 2015

I didn't think so either, sow I was doubly surprised. I even left the complete dead ones in the ground moving them away hoping they will come back next spring? Will let you know, undoes to look hopeful.

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