Sherman Oaks Tree Service and Landscape Maintenance

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Serving All Of Los Angeles County & Ventura County

Residential & Commercial

(818) 986-3426      (310) 271-3271      (323) 873-1181


Tree Removal in Beverly Hills

Los Angeles Tree Trimming

We have been Tree Trimming in Los Angeles since 1956.

Wind Dangers

High winds are always a possibility in Southern California.  The potential for dangerous breakage of major limbs, trunks and fallen trees comes with the territory.  However in Oct. and Nov. trees can be at their fullest, heaviest and driest which makes them brittle.  Full canopied trees, even in light winds dissipate all their available moisture and some crack under their own weight.  Bad news for parked cars and kids in play areas.  Tree pruningdone by licensed insured professionals can be a beautiful site as well as safe.  Tree trimming will preserve them for generations to come and enhance your property value.  Call us at 818-986-3426, 310-271-3271, or 323-873-1181.  We can help

And remember, here at Sherman Oaks Tree Service  “We’ll go out on a limb for you”

Trees, Pests, and Health Hazards

     Did you know that all sorts of undesirable ‘critters’ make their home in your unpruned trees and shrubs?  Mice, Rats, Possums, Termites and Spiders just love it when you don’t trim your trees.  You should also trim tall shrubs and bushes.  The dead undergrowth on trees and bushes makes a cozy nest for a critter that’s home shopping.  These critters are surprisingly comfortable on your roof, in your attic, inside the walls and even in your ventilation ducts.

     Much interaction with these pests can be avoided through routine tree maintenance.  We suggest you prune trees and trim shrubs back a few feet from your structure.  With this you effectively take away their stairway into your home.  Trim trees and prune shrubs that overhang your roof to eliminate this potential point of entry of these pests.  It is also wise to periodically trim dead growth from within your trees and shrubs.  This helps in keeping your trees healthy,  and creating a ’less hospitable’ environment for pests.  Call us at 818-986-3426, 310-271-3271, 323-873-1181.  We can help

 And always remember, here at Sherman Oaks Tree Service …………………..

………………………..  “We’ll go out on a Limb for You”

Roots gone bad

     Learn to identify the tell-tale signs of good tree roots gone bad.  They appear slowly enough that they are often overlooked but may begin as a raised area that looks a little like a ‘bump’ in the ground.  Cracks in driveways, sidewalks, pool decks and other fixed objects including retaining walls are all tell-tale signs that you may have a root problem.  It may have taken 20 - 30 years or more to develop into a noticeable problem however once discovered prompt action is necessary.  The damage worsens with time and the options for intervention grow fewer.  If detected early enough most root problems can be solved without tree removal.  Mitigating root issues is always less expensive than repairing the damage they can cause.  If you suspect a root related problem call us, we can help.   

And remember at Sherman Oaks Tree Service“We’ll go out on a Limb for You”.

Trees and Winterizing Your Home

     Did you know that a major way to prevent roof damage is clean rain gutters?  Over time the leaves that fall from your trees accumulate in your gutters and clog your downspouts causing rain water to pool on your roof.  Even a small amount of standing water can damage the integrity of an otherwise good roof.  When we do tree trimming ontrees overhanging your roof, we will clean your gutters at no additional charge.

     We offer free estimates for all your tree service needs……… with over 30 years of tree maintenance experience our expertise in tree care is second to none.  We are the tree service professionals you can trust.  We are a fully licensed and insured tree serviceEmergency tree services available.  At Sherman Oaks Tree Service and Landscape Maintenance……………   “We’ll go out on a limb for you”!

Call us at 818-986-3426, 310-271-3271, 323-873-1181  We can help with all yourTree service needs.

Planning your tree and landscape installation

Maybe you have planted a tree for the shade it brings, or the privacy of a hedge along the property divide but one thing is for certain…….Mother Nature will deliver a gift that will be a part of your family for generations.  We at Sherman Oaks Tree Service think some careful planning is in order.  Here are some useful suggestions that will help you keep that long-term relationship with your trees and shrubs a healthy one.

Let’s start at the beginning.  We hope you have chosen a spot to plant your tree that will accommodate it’s size when mature.  One of the many things to be considered and perhaps one of the biggest factors overlooked when planting is that the root system of a mature tree will extend out to the ‘drip line’ (edge of the tree’s canopy).  Roots need room to grow and you need to plan long term because grow is what they do.  They have a mind of their own.  You should know where your water main is.   Also your sewer and gas lines.  How close is the tree to the pool? The driveway?  The block wall?  The foundation of your home as well as your neighbors home?  The reality here is that root damage causes 10 times more property damage than falling limbs.  Who knew to plan ahead for a root invasion?  As you drive through the streets of Los Angeles there are literally hundreds of miles ofcracked curbs and sidewalks it is clear that not even our city planners were aware of what was to come.  Unfortunately for most of us, the ‘where to plant our tree issue’ was decided by someone else long ago.  We are left with the aftermath of bad judgement.  The issue we face today is that of ‘existing trees and the snowballing economic nightmare they represent.  You need to know what you can do about these roots before you find them encroaching your structures and utilities.  We can help 

And remember, here at Sherman Oaks Tree Service………………………

……………………”We’ll Go Out on a Limb for You”

Curb Appeal

     Curb appeal, everybody wants it.  That positive visual emotion that comes over us as we first arrive at a property.  It’s the impression that stays in our head long after we’ve driven away.  A well-kept landscape is often the first indication that a property is being maintained with pride and care.  Few things in life are as beautiful as a big healthy tree and there is nothing that creates that ‘cozy ambiance’ like a professionally maintained tree.

     Your trees are the biggest living things you own.  They are very likely the most prominent element of your home or rental property.  We suggest periodic maintenance from a skilled professional tree service as the key to maximizing their contribution to your property value.  We can help

Give us a call at 818-986-3426310-271-3271, or 323-873-1181.  And remember, here atSherman Oaks Tree Service……………..

                                  ……………..  “We’ll Go Out on a Limb for You”

Tree Damage and Defects – Los Angeles County

Tree Damage and Defects – What to Look For

Hazardous defects are visible signs that the tree is failing. We recognize seven main types of tree defects: dead wood, cracks, weak branch unions, decay, cankers, root problems, and poor tree architecture. A tree with defects is not hazardous, however, unless some portion of it is within striking distance of a target.

red dotDead wood

Dead wood is “not negotiable”– dead trees and large dead branches must be removed immediately! Dead trees and branches are unpredictable and Figure 1 - Dead branches can break and fall at any time.can break and fall at any time (Fig. 1). Dead wood is often dry and brittle and cannot bend in the wind like a living tree or branch. Dead branches and tree tops that are already broken off (“hangers” or “widow makers”) are especially dangerous!

Take immediate action if…

  • A broken branch or top is lodged in a tree.
  • A tree is dead.
  • A branch is dead and of sufficient size to cause injury (this will vary with height and size of branch).

Figure 1. Dead branches can break and fall at any time. (photo right)

Fig 2 - A serious crack like this one indicates that the tree is already failing!

red dotCracks

A crack is a deep split through the bark, extending into the wood of the tree. Cracks are extremely dangerous because they indicate that the tree is already failing (Fig. 2).

Take action if…

  • A crack extends deeply into, or completely through the stem.
  • Two or more cracks occur in the same general area of the stem.
  • A crack is in contact with another defect.
  • A branch of sufficient size to cause injury is cracked.

Figure 2. A serious crack like this one indicates that the tree is already failing! (photo right)
red dotWeak Branch Unions

Weak branch unions are places where branches are not strongly attached to the tree. A weak union occurs when two or more similarly-sized, usually upright branches grow so closely together that bark grows between the branches, inside the union. This ingrown bark does not have the structural strength of wood, and the union is much weaker than one that does not have included bark (Fig. 3). The included bark mayalso act as a wedge and force the branch union to split apart. Trees with a tendency to form upright branches, such as elm and maple, often produce weak branch unions.Weak branch unions also form after a tree or branch is tipped or topped (page 15), i.e., when the main stem or a large branch is cut at a right angle to the direction of growth leaving a large branch stub. The stub inevitably decays, providing very poor support for new branches (“epicormic” branches) that usually develop along the cut branch.

Take action if…

  • A weak branch union occurs on the main stem.
  • A weak branch union is cracked.
  • A weak branch union is associated with a crack, cavity, or other defect.

Figure 3
Figure 3. This weak branch union has
failed, creating a highly hazardous situation.

red dotDecay

Figure 4

Decaying trees can be prone to failure, but the presence of decay, by itself, does not indicate that the tree is hazardous. Advanced decay, i.e., wood that is soft, punky, or crumbly, or a cavity where the wood is missing can create a serious hazard (cover photo). Evidence of fungal activity including mushrooms, conks, and brackets growing on root flares, stems, or branches are indicators of advanced decay.

A tree usually decays from the inside out, eventually forming a cavity, but sound wood is also added to the outside of the tree as it grows. Trees with sound outer wood shells may be relatively safe, but this depends upon the ratio of sound to decayed wood, and other defects that might be present. Evaluating the safety of a decaying tree is usually best left to trained arborists (Fig. 4).

Take action if…

  • Advanced decay is associated with cracks, weak branch unions, or other defects.
  • A branch of sufficient size to cause injury is decayed.
  • The thickness of sound wood is less than 1″ for every 6″ of diameter at any point on the stem.

Figure 4. This seriously decayed tree should have been evaluated and removed before it failed. (photo right)

red dotCankers

A canker is a localized area on the stem or branch of a tree, where the bark is sunken or missing. Cankers are caused by wounding or disease. The presence of a canker increases the chance of the stem breaking near the canker (Fig. 5). A tree with a canker that encompasses more than half of the tree’s circumference may be hazardous even if exposed wood appears sound.

    Take action if…
  • A canker or multiple cankers affect more than half of the tree’s circumference.
  • A canker is physically connected to a crack, weak branch union, a cavity, or other defect.

Figure 5
Figure 5. The large canker on this tree
has seriously weakened the stem.

red dotRoot Problems

Figure 6Trees with root problems may blow over in wind storms. They may even fall without warning in summer when burdened with the weight of the tree’s leaves. There are many kinds of root problems to consider, e.g., severing or paving-over roots (Fig. 6); raising or lowering the soil grade near the tree; parking or driving vehicles over the roots; or extensive root decay.

Soil mounding (Fig. 7), twig dieback, dead wood in the crown, and off-color or smaller than normal leaves are symptoms often associated with root problems. Because most defective roots are underground and out of sight, aboveground symptoms may serve as the best warning.

Take action if…

  • A tree is leaning with recent root exposure, soil movement, or soil mounding near the base of the tree.
  • More than half of the roots under the tree’s crown have been cut or crushed. These trees are dangerous because they do not have adequate structural support from the root system.
  • Advanced decay is present in the root flares or “buttress” roots.

Figure 6. Severing roots decreases support and increases the chance of failure or death of the tree. (photo right)

Figure 7
Figure 7. The mound (arrow) at the base of this
tree indicates that the tree has recently begun to
lean, and may soon fail.

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