Garden Network gardening forum - Graham - Griselinia Littoralis - There doesn't seem to be a listing for this Plants and diseasesI have been asked to remove nearly 60 metres of Griselinia littoralis hedging that is very healthy looking, however

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Griselinia Littoralis

7:37 PM on 7 July 2008

Filed under: New product or service

There doesn't seem to be a listing for this Plants and diseases

I have been asked to remove nearly 60 metres of Griselinia littoralis hedging that is very healthy looking, however
about 15 plants have died in different sections of the hedge in the most part single plants then a stretch of say 8-10 healthy plants
and then another dead one, does anyone have any advice on what could be the cause.
I thought honey fungus but this plant is supposed to be quite resistant to this .
It seems to be an ongoing problem attacking at random.

Any Ideas

Graham

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Graham - 8:45 PM on 10 July 2008	[ message ]
Stephen I think that you are probably right cats dogs urine and dead. Graham

stephenjwhite - 4:11 PM on 10 July 2008	[ message ]
Another thought - dogs cocking their legs on individual plants! Other dogs then smell the scent and also have a wee and so it goes on until the plant is dead? What do you think!!

Graham - 12:07 PM on 10 July 2008	[ message ]
Very weird Stephen, someone has told me that rabbits ring bark griselinias which would cause the sudden death, ok a field isn't far away 150 m or so but there is another griselinia hedge closer to the field that is perfectly ok. Sure is a puzzle.

stephenjwhite - 5:18 PM on 9 July 2008	[ message ]
Very weird in the photos as it is one or two plants only next to healthy ones? Guess your ideas on the tarmac residue or spray drift could be correct

Graham - 3:08 PM on 9 July 2008	[ message ]
I have updated my album planting for shade by adding the Griselinia hedge at the back of the album just click on the double arrow to take you straight to it, then click the previous arrow, cheers

Graham - 9:26 AM on 9 July 2008

[ message ]

Thanks Stephen, I don't think this is the problem either as I have removed the hedge and the soil after loads of rain was quite dry under the hedge. I am replacing it with a low ornamental wall, as the client doesn't want any more work 60 metres is a lot of hedge to cut .
The only discovery I have made is pieces of tarmac ****tered in the soi by lazy workmen repairing parts of the pavement. I have notice many years ago that tarmac buried beneath lawns caused very poor growth.
The other discovery is that my client has her lawn treated with weed and feed, could this be the culprit, the plot is on a corner and by heck it gets windy, so the weed and feed could quite easily be blown onto the shrubs, It's odd that it is so sporadic; when I get the time I'll upload the pics.

stephenjwhite - 8:07 AM on 8 July 2008

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A lot of trees / shrubs are beginning to suffer / die back due to stress - no I am serious!! Several years of long dry periods and then waterlogged soils in wet summers is taking its toll on plants - could be this and if it is just an area of a hedge, it could be that one area has poorer drainage and the plants have stood with their roots in water for too long. Roots breathe as well as take in water and long term waterlogging often causes dieback and eventually, death.

Graham - 7:06 AM on 8 July 2008	[ message ]
Any thing is possible I guess, but somehow I don't think this is the problem, could it be aphids that seem to be attacking the leylandii

IanHutt - 6:34 AM on 8 July 2008	[ message ]
Any chance of sporadic frost damage or some being subject to slightly cooler conditions than those surrounding?

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