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  #1  
Old 08-22-2013, 07:10 PM
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alldayrj alldayrj is online now
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What happened to these arborvitae?

Planted these for a customer before Memorial Day, he calls yesterday saying over the past two weeks some of them browned out. The nursery carries no warranty. I wrote him no warranty. I'm sure he will pay to replace but I want to give him a valid reason. I'm leaning towards under watering.
Day they were installed

They ones that are green seem to be doing well. Look taller etc.
Today



What gives?
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Old 08-22-2013, 07:11 PM
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alldayrj alldayrj is online now
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On the group pic, in the bottom right, should I be worried about those few brown leaves?
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Old 08-22-2013, 07:58 PM
TwoTinySprouts TwoTinySprouts is offline
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Looks like a watering/transplanting problem to me. You can try watering daily, but chances are the damage is already done to the rootball. Notice that its only one area of your flowered - and it looks like there's a retaining wall there, so the drainage would be much faster on that end. Those trees will need more water than the others.
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Old 08-22-2013, 08:08 PM
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wildstarblazer wildstarblazer is offline
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Seems it could be several possibilities. Planted too deep or air pockets in the soil? Not enough water during the first few weeks of transplant? Too much rock mulch piled close to trunk and sun could cook them. Sometimes they get leaf miners too. The ones with a few spots here and there look like leaf miner but without a close up you can't tell. Not sure how much rain you've had there but Looks under watered to me. Let us know how you make out.
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Old 08-22-2013, 08:13 PM
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grandview (2006) grandview (2006) is online now
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Water could be going downhill. Also water might not be making it down through the stone
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Old 08-22-2013, 08:20 PM
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alldayrj alldayrj is online now
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I'm trying to rule out install error since the same guy did them all and there seems to be a pattern in the death (high to low on the hill) so I don't think it's something that came from the nursery either.

What do leaf miners look like?

The homeowner is a haggler, maybe he just wants something for nothing. He added the stone after. And has been hand watering. No drip to the area (what I told him to do)

Not much rain lately and July was hot.

These were B and B trees FYI.

Thanks for the help people
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Old 08-22-2013, 10:00 PM
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wildstarblazer wildstarblazer is offline
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You can do a search and get a lot of info on leaf miners and spider mites on arborvitae. You should try to get a county extension agent to come out and look at it for free.
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Old 08-23-2013, 12:49 AM
Mjcurry3 Mjcurry3 is offline
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That looks like spider mites.... 95 percent sure from your pics... You need to treat the rest ASAP or they will all be dead soon. Good luck.
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Old 08-24-2013, 06:59 PM
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Landscape Poet Landscape Poet is offline
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Quote:
Originally Posted by Mjcurry3 View Post
That looks like spider mites.... 95 percent sure from your pics... You need to treat the rest ASAP or they will all be dead soon. Good luck.
I am going to guess mites too. The brown spots starting to show on the the ones on the ends here and there would make me guess they are now on the "good ones". Just picked up a account with about 10 Italian Cypress that are so infested with mites the base of the plants are brown and very thin and weak.
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Old 08-24-2013, 11:08 AM
Smallaxe Smallaxe is offline
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Did you check the soil moisture in those rootballs??? Shrubs need a deep soaking in order to survive full sun and heat... if that is a South facing fence it is definitely going to be a challenge to keep arbs going... remember they are of the cedar family and cedar love swamps not hot stoney high ground...
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Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
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