Hedge Plants not growing (forum)

Pete7 starts with ...
Hi everyone,

Can anyone offer any theories as to why this section of my Goodbye Neighbour hedge plants aren't growing?

As you can see, the rest of the hedge is growing great. I'm wondering if there's some old tree roots causing problems but short of digging the area up I can't be sure.
Pictures - Click to enlarge

Picture: 1

Time: 27th October 2018 12:15pm

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Original Post was last edited: 27th October 2018 12:15pm
About the Author Pete7
MORPHETT VALE,5162,SA
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Waterfall says...
Are they lilly pilly?

If yes I would apply plenty of mulch, like 4&quote; deep of wood chip but not against the trunks, water often and even some fertilizer in the growing months, make sure its safe for natives.

Time: 28th October 2018 1:43pm

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About the Author Waterfall
WATERFALL,2233,NSW
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Julie says...
It may be worth checking the pH around the duds and comparing to the ones growing well. Could be construction waste dumped at some point.

They look more like pittosporum species eg 'screenmaster' to me, but it's a bit hard to see.

Time: 30th October 2018 7:42pm

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Original Post was last edited: 30th October 2018 7:44pm

About the Author Julie
Roleystone WA
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Pete7 says...
They're the &quote;Goodbye Neighbour&quote; Lilly Pilly. You can't see in the photo but there's 32 of them in a row to cover the fence. I did check the pH (about 5 if I remember correctly) but couldn't find any info online about the correct pH for Lilly Pillys. Didn't think to compare pH with where they're growing well though, so will check that. Thanks

Time: 6th November 2018 10:08am

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About the Author Pete7
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Julie says...
5 is pretty low, so not construction waste then. Acidity may be the problem, but it will be interesting to compare to the ones growing well.

Whenever a plant is not doing well, and I know it has been cared for, I reach for the pH kit. So often it turns out to be the cause of the problem, in my garden at least.

Time: 7th November 2018 7:28pm

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About the Author Julie
Roleystone WA
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