I have a norfolk pine which was doing well. within the last week or so, the tips of the branches and needles within the branches have started browning. I mist it daily, water once a week to ten days. It is in a southern window, angled at approx 30 degrees so it gets the AM light but is protected from the noonday sun. It is becoming fall, the days are shorter and cooler (N.E. Ohio). It is also a bit less humid, but not much. I have not frtilized it at all this summer, only twice this
spring. I trim the brown branches(3" or so in length) but it hasnt had alot of them, and there were many new growth sprouts ,esp. near the top.
Any suggestions? Thanks, Greg