I checked for scale and adelgid.
They are native by the way not planted.I see no insect just lots of bad dirt and damage to roots by a concrete wall placed beside them. They are just pitaful looking sparse growth minor dieback .One did die completly it was directly in the path of the water...
I have a new client with many hemlock trees that are browning due to extreme construction and run off of concrete etc.
I need ideas on what to do to help out the soil in order to green the hemlock out and hopefully get them growing .
Most of them are about 10 feet tall.
I doubt he will go for...
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