15+ Avocado Leaves Turning Brown. In southern california, much of our water is imported from the colorado river, a source which is salty. It's either due to over fertilization, or too much sun.
Avocado leaves can turn brown for a variety of reasons from the weather to too much fertilizer.
I can tell you that browning of avocado leaves is a yearly thing.but it doesn't ususally happen until just before the late winter/spring flush of blooms and new the yellowing and browning seems to happen to the older leaves, but each day i can go out and pick several more yellow leaves off, which are loose and ready to. Will adding an avocado pit to the mix keep your guacamole looking bright green? Store the cut ripe avocado half with pit intact in the fridge, where the cold will discourage additional ripening, says brown. An avocado that has turned brown has begun to oxidize.