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Spring Freezes
Once spring growth has begun, a late spring frost can cause damage to de-acclimated woody stems, blossoms, and new shoots. Frozen, succulent, new tissue turns flaccid, appears water soaked, and withers within a short time. Though symptoms resemble blight diseases, freeze injury appears suddenly after a hard frost, while diseases such as bacterial fire blight, juniper blight, and pine tip blight are progressive over time.

Root Damage
Root tissues apparently do not acclimate to temperatures much below freezing and can be killed or severely injured by soil temperature below 15°F. This is especially true for shallow rooted plants. Fortunately, the presence of mulch, leaf litter, or snow cover insulates most soils sufficiently to prevent soil temperatures from falling much below freezing. Plants with frozen roots may wilt and decline after growth resumes in the spring.

Breakage From Snow & Ice
Snow and ice storms cause damage by bending and breaking branches. Multi-stemmed trees like arborvitae and junipers are the most prone to damage. To protect these plants from limb breakage prior to winter, tie branches together loosely with strips of cloth or coated twine. Remove in early spring.

The branches of many hardwoods, such as Siberian elm, maples, and birch, may be seriously damaged in ice storms. Improper removal of ice or snow from the tree or shrub might increase damage. Heavy snow should be removed gently before it freezes to limbs and branches. Removing ice encased on branches can cause additional damage and should not be attempted. Instead, allow ice to melt off naturally.

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Top Tree LLC is your best choice for any tree trimming needs in Richland. All of our technicians are highly trained and properly certified. We are happy to answer any questions you have now or in the future.

We are Kennewick’s premier tree maintenance, tree removal, and tree trimming experts. We look forward to earning your business with every season that passes. We can’t wait to hear from you.

Frost Cracks
Frost cracks, often called radial shakes, show up as shallow to deep up and down cracks in the trunk of trees. They mostly appear in winter at temps below 15°F. Frost cracks often occur on the south or southwest sides of trees because this part of the tree experiences the greatest temperature changes between day and night. A sudden drop in temperature causes the outer layer of wood to shrink quicker than the inner layer, which causes a long up and down crack at weak points in the trunk. Once a frost crack occurs on a tree, it is likely to appear annually.

Sunscald
An stretched out canker found on the trunk of thin-skinned trees and is often referred to as “sunscald”. Sunscald often shows up on the south or southwest side of trees following a sudden exposure to direct sun. In winter, the temperatures on the sun-side of the trunk may exceed air temperatures by as much as 20°F. This is thought to trigger deacclimation of trunk tissue. The bark slowly darkens, turns reddish brown, and becomes rough. After a time, the callus tissue eventually cracks and falls away. Sometimes only the outermost cambium layer is damaged and a sunken area appears on the trunk. Affected trees often have sparse foliage, stem dieback, and stunted growth.

Seasonal Burn On Evergreens
A browning leaf tip on evergreens in late winter and early spring is a form of winter injury. Browning occurs from the needle tips towards the rest of the needle. Symptoms of winter burn are present on many narrow-leafed evergreens, such as hemlock, juniper, pine, and yew, and broad-leaved evergreens, such as boxwood and rhododendron. Winter burn is usually attributed to desiccation or loss of water through leaf transpiration. Winter sun and winds dry needles. Water in the stems and roots is frozen and unavailable to replenish the loss. A rapid drop in temperature after a warm sunny day can also cause further injury to the plant. Applying an antitranspirant, also called anti-desiccant, helps reduce transpiration and minimizes damage to the foliage. At least two applications per season, one in December and another in February are usually necessary to provide protection all winter.

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Top Tree LLC is your best choice for any tree trimming needs in Kennewick. All of our technicians are highly trained and properly certified. We are happy to answer any questions you have now or in the future.

We are the Tri-Cities premier tree maintenance, tree removal, and tree trimming experts. We look forward to earning your business with every season that passes. We can’t wait to hear from you.

The severity of winter damage is caused by a number of reasons, including the species involved, the location and conditions under which the tree is grown, and the exact timing of weather extremes during the dormant period. Contrary to popular belief, tree damage is not generally caused by an unusually cold winter. Low temperature injury is more often associated with extreme temperature fluctuation than with prolonged cold weather.

Temperature Extremes
Acclimation to temps far below freezing results from exposure to slowly dipping temperatures and other factors. Trees that are dormant but not fully acclimated can be stressed or injured by a sudden, hard freeze. Rapid or extensive drops in temperature following mild autumn weather cause injury to woody trees. Extended periods of mild winter weather can de-acclimate trees, again making them vulnerable to injury from rapid temperature dips.

Low Temps
Some species or cultivars of trees and shrubs are injured if temperatures fall below a minimum tolerance level. Plants most likely to suffer winter injury are those that are marginally hardy for the area or those already weakened by previous stress. Species such as rhododendron, holly, and some magnolias may survive several mild winters in the Chicago region before a more typical winter causes injury. Flower buds are often the most susceptible. If plants with marginal hardiness are used, they should be planted in protected sites, such as courtyards or sheltered areas. In general, low temperatures are much less damaging than rapid and extensive variations in temperature.

We’re Here To Help!
Top Tree LLC is your best choice for any tree trimming needs in the Tri-Cities. All of our technicians are highly trained and properly certified. We are happy to answer any questions you have now or in the future.