Question
we planted 85, 3' tall leyland cyprus about 3 weeks ago in eastern TN.  The trees where planted in good top soil and covered with mulch and we have had a good steady rain at least one day/wk.  Temperatures fell to about 30 degrees 1 wk after planting. We have just noticed that some on the trees are turning brown.  What should we do about this?

Answer
Now really anything that can be done for freeze burn. The tree should grow fine. They may lose some of their foliage from the freeze of the tender needles but should put on new growth.  About all that can be done is make sure they have water if it turns off a dry spell and wait and see wait happens.