In article .com,
"No_Spam" wrote:

My shrubs are turning brown slowly.. 2 shrubs are already dead..
Can anyone help me what to do? I have an irrigation system to water
them, so I think watering is not an issue..

There's one & only one possibility. Someone in the neighborhood who
strongly dislikes you has been spraying them with herbicides.

Your query is like sending a doctor a post card that says, "I haven't been
feeling well. Can you tell me what's wrong with me?"

-paghat the ratgirl
--
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"In every country and in every age, the priest has been hostile to
liberty. He is always in alliance with the despot." -Thomas Jefferson