Please I'm really surprised there still alive. Temperature. One day we walked out and the tree was turning a brown color from the top down and it happen fast. Cant take water up. Where do you live, makes a diference. it usually takes 2 spike for each tree depending on the size of tree. Live tree twigs are nimble, so … I tryed some Bear tree treatment with no success.? try watering once a day it depends on how big the tree is and also plant sticks for feed the tree. Why are the needles on your white pine trees turning brown what to do for them? Favorite Answer. Q: We have two dawn redwoods planted about 10 feet apart. my redwood trees are turning brown from the top down. Thread starter bsman36; Start date Jul 28, 2018; bsman36. Yellow Disease in Redwood Trees. Sharon K. 1 decade ago. On both of my trees, they are … I have several redwoods around my house and they have this "look" I can't see the top, so am not sure what to say about that. My poor redwood tree, this happen in less than a month. Big no no. I do know the cold spell we had last winter damaged or killed a number of redwoods, so your tree may be feeling/showing the stress of a dry spring, hot summer and the previous cold spell. Try bending a tree branch. Relevance. Some of the reasons why the redwood tree is dying include wrong amount of moisture, temperature fluctuations and disease. 3 Answers. We keep it on a slow watered system and it's been health. We don't know what to do to help it. Root-bound ! These trees normally shed their needles in the fall, and are bare in the winter. The larger tree (planted 3 years ago) is brown and dropping needles. Joined Jul 20, 2018 Messages 10 Age 61 Location Apollo Pa. Jul 28, 2018 #1 I have several small Dawn redwood trees in my yard. Looks like there in pots. Jul 28, 2018. One day it was green the next sick, brown and wilting. Poor guys Is my newly planted tree dying? A gargantuan tree, with some varieties capable of growing over 300 feet, the redwood's size is almost matched by its resistance to disease. Are they ? The redwood's native … The smaller one (planted less than 2 years ago) is doing great. What could cause such a fast death? They should never turn brown. Answer Save. Soak them in a tub of water, cut off dead stuff, and plant them in ground. Could it come back to health if we wait for a while? You can often revive a shocked tree, but you’ll first need to make sure it’s alive and well. Dawn redwood needles turning brown in summer. That’s why you see those wilted, yellow or brown leaves. B. bsman36 ArboristSite Lurker. If the tree’s dead, it will easily snap.