Usually, they won’t attack trees that aren’t already stressed, so keeping your tree well watered and fertilized is a good prevention. The first sign of trouble is the browning of needles on the lower branches, which gradually spreads upwards. Always read all directions, since some fungicides can cause discoloration on certain pines. Throughout the Midwest, Colorado blue spruces have been showing needle loss, dead branches, and browning foliage. What Is A Sassafras Tree: Where Do Sassafras Trees Grow? With proper siting and care, you should be able to enjoy your blue spruce for many years to come. It is most common in trees growing outside of their native range. As roots die, you may notice your pine tree dying from the inside out. A Pest or Disease. Water deeply if dry conditions occur, and fertilize each spring. While none of these dry spells qualify as a drought, they do put stress on plants. Colorado blue spruces perform best on moist, well-drained loam to sandy soils with a pH of 6.0-7.5 and full sunlight. Conifer Needles Turning Color: Why Does My Tree Have Discolored Needles, Lower Branches Of Pine Tree Dying: Why Is Pine Tree Drying From Bottom Up, Spruce Needle Rust Control – How To Treat Spruce Needle Rust, Prickly Kale Leaves – Does Kale Have Thorns, Corn Husk Wreath Ideas: How To Make A Corn Husk Wreath, DIY Air Plant Wreaths: Wreath Making With Air Plants, Scab On Apple Trees: Indentifying And Treating Apple Scab Fungus, What Is A Hackberry Tree: Learn About Hackberry Growing. The disease begins on the tree's lower branches and works its way upward. Blue spruce trees are also susceptible to Rhizosphaera needle cast, caused by the fungus Rhizosphaera. A tree with too much or too little hydration gets stressed out and is more susceptible to damage. As you can see, pine trees turn brown from inside out for a variety of reasons. If drought is the culprit for needles browning in center of pine trees, increase watering, especially in the fall. If one is fortunate enough to have a blue spruce, properly sited and not showing signs of decline, the best procedure is prevention. The first sign of trouble is the browning of needles on the lower branches, which gradually spreads upwards. In 2016, we had five weeks of almost no rain in late spring, extending through almost the entire month of June, followed by one of the wettest Julys on record. The sad truth is that not all pine tree browning can be stopped and many trees die from this condition. After about five years the entire tree dies. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Unhealthy Mandevilla Plants: How To Treat Mandevilla Disease Problems, Thanksgiving Tradition: Turning Homegrown Pumpkins Into Pie, Growing Thanksgiving Dinner – Must Have Turkey Side Dishes, Interesting Uses For Pecans: What To Do With Pecans, The Bountiful Garden: Bringing The Garden To Thanksgiving. Proper watering should allow this condition to correct itself over time, though the browned needles will never re-green. Young trees may be killed by this disease, but usually branches die … The brown needles eventually fall off, leaving bare branches. In drought-like conditions, evergreens may have trouble getting enough water to all their needles. It can take up to 15 months for the needles to show visible symptoms after the initial infection. Poor drainage will kill newly planted trees in a year or less. Over the past few years, many homeowners have been alarmed by what seems to be a sudden decline of their blue spruce trees. Increase drainage and take measures to prevent pines from standing in water — if the tree is young, you may be able to trim the rotted roots away from the plant. Browning is often caused by an inability of the pine tree to uptake enough water to keep its needles alive. However, if your tree has many small holes bored through branches or the trunk weeps sap or has a sawdust-like material coming from them, it may already be infected. The damage is caused by a combination of bark beetle tunneling activities and the nematodes that ride along w… Needles turn purple or brown in color and eventually fall off.