Only Arborists Specialize In Trees
Posted by Tony Tomeo on Jan 23, 2013 - 7:30:17 AM
UNITED STATES—Just as most problems in landscapes are caused by maintenance gardeners hired to maintain the landscapes, many of the problems with trees are caused by those hired to fix such problems. Arboriculture, which is the horticulture of trees, really should be performed, or at least directed, by professional arborists. It is too specialized to expect it to be done properly by those lacking education and experience.
The pendulous foliage of red ironbark eucalyptus moves softly in the breeze. The tall, curvy trunks are elegant and sculptural.
Even the few proficient gardeners who can perform most aspects of gardening well are not likely as proficient with proper arboriculture as arborists are, not only because it is so different from other gardening, but also because of the techniques and tools involved. Gardeners compare to arborists something like those who clean windows on skyscrapers. Custodians who clean windows on the highest floors from the inside probably would not want to clean the same windows from the outside like window washers do. There are just too many differences in the two related, but vastly different types of work.
Arborists who are certified by the International Society of Arboriculture, or ISA certified arborists, are the most qualified to assess the health, stability and structural integrity of trees, and to then prescribe any necessary arboricultural procedures. These arborists have passed an examination of their arboricultural expertise, and maintain their certification by continued involvement with ISA educational seminars, workshops and classes.
Arborists and the tree service businesses that they are affiliated with are easy to find at the website of the ISA at www.isaarbor.com. They can be found directly by name, or regionally by city or ZIP code. The website is also an excellent resource for those wanting to learn more about trees and the importance of proper arboriculture.
Trees are the most substantial features of landscapes, and are really worthy of more respect than they commonly get. Structural problems or instability can be serious problems, not only to the affected trees, but also to anything around them that might be damaged or destroyed by falling limbs or even entire trees. Proper arboriculture helps to keep trees healthy and reasonably safe for many decades or centuries.
Tree of the Week: Red Ironbark Eucalyptus
The many varied eucalypti never seem to outgrow the bad reputation of the blue gum and red gum eucalypti that get too big, messy and dangerous for urban gardens. Fortunately though, most others do not get nearly as large, and many stay proportionate to urban gardens. Their smaller canopies are neither as messy, nor as structurally unsound. Their adaptability to so many California climates and tolerance of aridity are serious advantages.
Red ironbark eucalyptus, Eucalyptus sideroxylon, is one of the mid-sized eucalypti that can eventually get quite tall, so its probably best where it has room to grow. Pruning for containment in compact gardens is actually quite a bit of work. Their coffee colored and deeply furrowed bark on elegantly sculptural trunks and limbs contrast nicely behind the mint frosting colored and softly pendulous foliage. The lanceolate leaves are about five inches long and three quarters of an inch wide. Flowers are almost always pinkish red, but can be pink or white.
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