Why does a blue spruce turn yellow




















Yellow needles on a spruce sample. April 4, Page References:. Plant Diseases. Christine Engelbrecht. Hi, Terry. Whether you can cut them back and how far and when to do it depends what they are — what genus of plant like a pine versus a juniper versus a spruce or yew or whatever.

Do you know? Hi, Becky. Is it like in this story , about needles turning tan or brown from the inside out? I am so grateful I came across your article! Is that characteristic of newly planted trees? Am I over watering? Do I need to fertilize?

Or do you recommend I seek a professional? Appreciate any advice, thank you! Newly planted trees can sulk for many reasons including too little water people often water only the surface and not deeply or regularly or too much water or damage to the rootball that occurred during the transition or … so I do not know from here what is up.

Do not feed an ailing plant — get a proper diagnosis first, perhaps by contacting the best local nursery or the place you got it or your local Cooperative Extension service. Had some inside needle browning after first winter. Panicked and sprayed Daconil. Panicked again and sprayed once with Daconil probably to make me feel better. Thank you.

Hi, Randy. The inner browning beginning the shedding old old needles commences late summer and fall, not after the winter. You should get a proper diagnosis from your county Cooperative Extension or a very, very good local nursery that has expert staff , I think. I read this U of Georgia fact sheet about those, FYI, and a shorter piece highlighting one of the issues. Often hard for us homeowners to diagnose things like this without some assistance, and befor the trees decline more that seems warranted.

I have newly installed pines zone 6 all showing yellow to brown shedding as you described. Thank you I shall sleep much better. The inner needles browning is probably OK, Little Ike, but keep an eye on that scale. Just planted a 7foot hinoki cypress 2weeks ago and have notice some yellowing of the inner needles. Live in the Pittsburgh area and have had a good amount of rain. Love this evergreen. Dont want it to die. This is the time when they go all gold then brown on the inner needles, yes — as in the article.

So whether it was transplated or not this year I would expect to see that happening. It can be dramatic on some plants. Hi, is it normal for the pine to turn brown on the inside after being planted just a couple months. Its growing and looking healthy on the outside.

Also is anti fungal spray ok to spray on all shrubs just incase?? Hi, Jon. Whether or not they are transplanted, many conifers shed their inner needles as per the article and photos from late summer into fall. My Siberian cypress 3 are approximately 3 years old. One of the cypress has turned completely yellow with few green stems struggling. Rhizosphaera and Stigmina are both different types of fungi that can infect the Blue Spruce tree. Microscopic diagnosis is the only way to differentiate these diseases.

Send the samples of the affected tree to a nearby lab as soon as possible. Needles of the affected Blue Spruce turn yellow first and then brown. Blue Spruce trees that are stressed from drought, poor planting practices, or other improper care practices are more prone to needle cast diseases.

Yes, an infected Blue Spruce can recover from needle cast disease if proper care i s given. The tree will take a long time to recover. Infected Blue Spruce takes up to 2 years to recover from needle cast disease. Severely infected trees take even more time to recover. You may want to spray fungicide on the infected Blue Spruce tree as soon as the new growth is seen. I advise you to spray your Blue Spruce in the spring season.

Apply once in weeks for the best results. Make sure you cover all the needles well. Blue Spruce dies from top-down when the winter winds arrive. Then look for: Yellow needles, typically on the lower branches, in mid-to-late summer Formerly yellow needles turning brown to purple-brown during fall or winter Brown needles beginning to fall, leaving large bare spots on trees that next summer or fall Often starts at the bottom of the tree, on the inside, and works its way up the tree If you think your tree is infected, look for small black spots lining the needles with a magnifying glass.

What does this do to spruce trees? This is a very common fungus that affects trees after long stretches of wet weather or humidity. Can you treat this blue spruce needle cast? Share This Post. Join The Discussion. Prev Page Next Page. Related Blog Posts. When to Trim Evergreens March 4,



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