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What's wrong with my Picea Pungens Procumba? (3 Replies)

Posted April 23, 2017 at 9:26 am

Hello,
My beautiful picea pungens procumbens, planted 3-4 years ago, has been losing needles since last summer.
Any idea what the problem is and how I can save it?
Much thanks,
Lisa

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Posted April 23, 2017 at 10:37 am

where do you live, Lisa? That is one very unhappy spruce. My best guess right now is Rhizosphaera needle cast, a fungal plague that tortures Rocky mountain native trees that aren’t living in the Rocky mountains.
You can control it by fastidiously removing any dead foliage on or around the plant and spraying with anti-fungal products in late winter, particularly before a prolonged cold wet spring. Good luck.

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Posted April 23, 2017 at 12:42 pm

Hello David,
Thanks so much for your quick response! I forgot to say I’m in Boston, zone 6. It’s early spring here so I’ll try spraying with anti-fungicide now. Is there a particular one you recommend? I will cut back all the dead foliage. Do I need to treat the cuts?
Much thanks,
Lisa

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Posted April 23, 2017 at 12:46 pm

No need to treat cuts. They will heal on their own. I recommend contacting your county extension to see which product works best in your area.

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