The Tulip Tree, Liriodendron tulipifera, at left is shown with its fall color. Tulip trees can reach 130' in height and over 90' in crown spread, here in the Pacific Northwest. The tree shown is located in the front garden of the home. The proximity to the house and the power-lines mean that continued pruning will be necessary to manage the growth of the tree.

 
This Siberian Elm, Ulmus pumila, is located in the middle of the back garden. The tree has plenty of room to grow. The maintenance issues here are different. Siberian Elm accumulates deadwood and is known to lose limbs. Limb failure often occurs in the absence of wind or snow. Weak attachments are often associated with failure.

  The home at right is surrounded by Douglas-fir, Pseudotsuga menziesii. The setting provides the feeling of living in a mature forest, in a suburban area. Douglas-fir are a fine forest tree but care must be taken when developing around them. Roots can be cut and trees made unstable. The stresses produced can force trees into decline.

 

The Flame Ash, Fraxinus oxycarpa augustinifolia shown above, form an avenue in a residential neighborhood here in Seattle. These elegant trees have a delicate foliage which produces stunning fall color. They have also lost limbs and fallen over due to a lack of pruning during development and poor planting conditions. Inadequate care can turn an asset into a liability!

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