Shrub Problems
Q.

Can Shrubs Be Killed by Vehicle Exhaust

Zone L0N1S4 | lonestar added on August 3, 2011 | Answered

Our hedge and 2 pyramid trees are looking terrible and a neighbour parks and runs his van every morning directly beside them (in winter it idles for at least 20 minutes) while everything else not in the vicinity of his vehicle is doing great. Could this be the cause of them doing badly? Prior to his moving in, they were great.

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    sjgranny
    Answered on August 6, 2011

    The property next door to me is a rental property. Over the years there have been renters who leave their vehicle idling (the driverway for the property runs along our fence line, and over the years I have had damage to azaleas, dogwood tree and pine tree from exhaust. My conclusion is plants do not like carbon monoxide.

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    Susan75023
    Answered on August 5, 2011

    I could find little information but one source states that exhaust makes it impossible for plants to photosynthesize, (convert light to energy.). I would hate to confront him only to find out the plants have a totally different problem. HOpe you find a better answer.............

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