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drummerboy_gw

Can anyone tell me what is wrong with my Thuja Green Giants?

DrummerBoy
12 years ago

The shrubs have been in the ground for 2.5 years. Seems it has been a constant battle keeping them alive. We were told they had spider mites (although I've never seen any when I have done the white paper test), so I've been treating them with Bayer 3in1 Insect, disease and Mite control concentrate about every 2 weeks.

We see lightened color at the tips of the leaves, we see yellowing/dead foliage quite often as well. They ARE growing well - lots of new foliage and they've grown about 2 feet this past year.

Can anyone tell me what might be wrong with these shrubs? I was under the impression they were disease and insect resistant but it has been nothing but a struggle with these trees and I've got too much invested to lose them now!

Link:

10 October 2011

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