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Old 01-26-2012, 04:36 PM
tenndigger tenndigger is offline
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I just heard about the boxwood blight earlier this month. A lot of wholesale growers are very concerned about this. There was a meeting in Baltimore in mid January and hundreds of growers attended. I did not attend. But from what I hear it has been found in 8 US states and Canada. Has been a problem in Europe also. I do know that many pathologists are working on this. I have heard much more just not sure what is accurate informantion at this point.
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Old 01-26-2012, 05:05 PM
Dr.NewEarth Dr.NewEarth is offline
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The blight showed up on the west coast, east of Vancouver B.C. a couple of weeks ago. It also attacks Sarcococca

There is a website with info here:

Last edited by Dr.NewEarth; 01-26-2012 at 05:06 PM. Reason: Go Canucks Go
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Old 01-26-2012, 05:40 PM
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Landscape Poet Landscape Poet is offline
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Originally Posted by RussellB View Post
Looks like powdery mildew to me. easy to treat.
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This would be my guess to from the photos provided...also to the OP that gold plant that is now showing symptoms - that is gold mound duranta.
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Old 03-18-2012, 11:48 AM
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Mike's LawnCare Landscape Mike's LawnCare Landscape is offline
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Here is a link. To read up on.
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Old 03-18-2012, 12:54 PM
agrostis agrostis is offline
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Man, that is terrible. 30.000 boxwood's is no joke. And it's perfect fungus weather outside my door right now.
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Old 03-18-2012, 01:21 PM
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White Gardens White Gardens is offline
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Originally Posted by agrostis View Post
For a definitive answer send a sample to the plant pathologist at UGA. For a in-state resident it should only be 5-10 dollars.
Yep, that's going to get your answer.

Now, we've been experiencing the same type of conditions on most boxwood's locally.

Only thing I can find is it's just generally evergreen decline especially if the soil stays wet and doesn't dry out. The term "Bronzing" of boxwoods has been thrown around by the Illinois extension offices.

This winter I expected the boxwoods showing these symptoms to stay greener and healthier this winter but it's been exactly the opposite. The bronzing is still present in lots of landscapes.

As for the residue. It's either powdery mildew like suggested before, or it's hard water stains on the leaf tissue from watering.

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Old 03-18-2012, 01:39 PM
Kiril Kiril is offline
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Check for mites.
Check soil EC.
Check irrigation water EC.
Also check for Phytophthora root rot

Last edited by Kiril; 03-18-2012 at 01:46 PM.
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Old 03-19-2012, 12:57 AM
Mark Hill Mark Hill is offline
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I've had the same problem many times with all buxus, and not even the local nursery knows what it is. I stopped planting them all together...
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Old 04-01-2012, 12:54 AM
Squires4Seasons Squires4Seasons is offline
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Hey, I know that I'm a little late to give diagnosis. It is spider mite damage. Damage that probably happened in late summer/fall. Very common. Easy to treat.
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Old 04-02-2012, 09:30 PM
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Henry Henry is offline
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I've noticed a problem with leaf miners on boxwood this year. Almost every property with boxwood I've been to in the last 2 weeks has them.
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