Hi There, Wondering What This Brown Edge On My Griselinia Bush Is.

Question

I know the black is frosted tips, but the brown was there before the frost, and is not on neighbouring plants of the same kind. I have trimmed away a lot of the affected branches, but not sure what else to do.

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Answer 1

These articles should help:
https://www.gardeningknowhow.com/plant-problems/environmental/what-causes-brown-edges-on-leaves-of-plant.htm

https://www.gardeningknowhow.com/ornamental/shrubs/griselinia/growing-griselinia-shrubs.htm