Damage typically starts on the lower branches and moves up the tree affecting susceptible spruce trees when 15 to 20 years old. This could also be due to a number of reasons. Deciduous tree leaves will wilt and if corrective steps are not immediately taken, may eventually turn brown and drop. White Pine Weevils can cause the tops of spruce to turn brown. Sometimes, inner evergreen branches turn brown while the outer limbs remain green. Click here for a more extensive tree list. Conifer needles turn a pale green or blue-green color before turning brittle, browning and dropping off. Spruce trees can show brown needles starting from the lower limbs and progressing up the tree. These may stay on the plant for some time before falling off. Tree check: Most often, this fungus attacks spruce trees, especially Colorado blue spruce trees and Engelmann spruces. 2020 That’s not what you signed up for! Spruces can suffer from Rhizosphaera Needle Cast, a fungal disease that causes needles on spruce trees to turn brown and drop, leaving bare branches. But, if you’ve only noticed small parts of your evergreen changing color, that may be normal. Gary Wyatt, Extension forestry educator based in Mankato, Minn. University of Minnesota Extension discovers science-based solutions, delivers practical education, and engages Minnesotans to build a better future. Davey uses cookies to make your experience a great one by providing us analytics so we can offer you the most relevant content. View our Privacy Policy for more information. Subscribe to the "The Sapling" on the Davey Blog for the latest tips to keep your outdoor space in tip-top shape throughout the year. Close inspection using a hand lens will reveal tiny black dots on infected needles—stomata (tiny holes that allow gas exchange) are white on healthy needles. What Time of Year Do Pine Trees Drip Sap (and Can I Stop It?). If you see sawdust or remnants of insects, pests are likely your problem, and its time to call in the professionals at Outback. Keep reading to learn what’s going on with your evergreen and how to fix it. When you planted your new evergreen, you likely imagined it brightening up your snow-covered landscape. All Rights Reserved. Trees that are stressed from drought, poor planting practices, or other factors are more likely to suffer from needle cast. Spruce and coniferous trees are susceptible to environmental, insect and disease problems that can cause the trees to discolor, lose needles and possibly die. Blue spruce varieties are very susceptible to Rhizosphaera. Insufficient watering Many trees need a significant amount of watering, especially if they're young or newly transplanted. © Even when we give them the best care after planting, they can still get stressed out. Blue spruce varieties are very susceptible to Rhizosphaera. Then look for: To avoid disease epidemics it is advised to plant a diverse selection of trees, rather than planting 1 or 2 species. While most of your other plants slept, your evergreen would give you that burst of color you so desperately need in colder months! Davey uses cookies to make your experience a great one by providing us analytics so we can offer you the most relevant content. However, there is another needle cast fungus, Stigmina lautii that is infesting more species of spruce including white spruce. To confirm a diagnosis, plant samples can be sent to the University of Minnesota Plant Disease Clinic. Norway and Meyer spruce appears to show some tolerance to these needle cast diseases. This is a normal, healthy part of the growth process. Help a Newly Planted Evergreen Turning Yellow, Brown or Dying, we give them the best care after planting, growing a healthy plant is all about having a plant health care plan, Give your tree about 1-inch of water every week. 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