On Aug 26, 2:39*pm, echinosum
wrote:
Daveconifer;934063 Wrote: About 2 months ago i noticed one of our conifer hedges was starting to
turn brown, i trimmed it in March but not too close. Could it have a
disease and if so could it be treated to stem the problem? Pic attached

Probably the problem is that you trimmed it in March, and a bit of frost
got in to the cut bits and caused the tips to die back. But it takes a
very long time for dead conifer to turn brown so you only just noticed.
Basically the brown bits will probably stay brown, because new growth
does not occur when there is no living fronds on a branch. *Basically
what you do in such a case is take bits of the adjacent living bits and
twine them into the dead areas, a few inches back from the surface, so
that you can trim them in future without cutting them off. Over time
they will extend can become the green for those dead areas, and might
eventually totally cover it.

In future confine your conifer trimming to May to September. It is
normal to do it once a year about now.

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echinosum

I do wonder if it's dry at the roots. with the willow behind, if you
havn't been geting much rain that could be causing problems.