Most potted plants do need a little fertilizer once in a while so they have all the softened water can also turn the leaf tips brown, so consider using distilled or filtered water to keep your plants happy.
49+ Iris Leaves Turning Brown. My stepmother has a patch where she left irises abandoned for a few years, and now there are dozens of clumps. Many but not all of the leaves are turning brown from the tips down.
Bearded Iris Care How To Avoid 5 Common Growing Problems from www.americanmeadows.com
The iris borer can also eat out a clump and the leaves will also turn brown from the tips down. The tips of iris leaves turn brown and seem to be dying, but the entire plant dies very rarely. This can be quite fast as the borer is in the rhizome before this effect is noticed and it.
Does it come from the plant moving inside, stress from reduced lighting and the plant acclimating?
It's potted, and lives on my porch in but should i pick off the brown leaves (which is only about 10% of the leaves)? Why are those leaf tips turning brown? You can also just have brown leaf lips if you are not properly watering. Iris borers cause severe damage to iris by feeding on the rhizome.