White Alder Tree

White Alder Tree

Native to America, white alder trees are fast-growing landscaping trees which can grow more than 70 feet in height with a 40 feet spread. They have round canopy which have dense green foliage which add extra values to your summer garden. Generally young trees have smooth white barks which will turn brown when the trees are fully grown.

White alder trees prefer well-drained soil conditions with full sunlight. They can also grow well partial shade locations. Actually they can tolerate most unpleasant soil conditions such clay soil or loam oil. They can also grow in wet soil which have slight acidic or alkaline properties. They are deciduous trees which will shed all leaves in autumn. They will produce attractive clusters of yellow catkins which are less than 4 inches in length. They will grow on the end of small branches. Their leaves have serrated edges which make them easy to identify from other tree species. The bark of these trees are very thin which are easily to be damaged by some accidents. They generally need very little maintenance during their growth and you should plant them in some open grounds to help them establish their roots properly.

Although while alder trees can resist most pests endangered to other trees, they are susceptible to some certain tree pests like flatheaded borer which can seriously weaken the health of them. You should avoid pruning your trees in spring when the beetles are active. You should trim off the infected areas as quick as possible to control the infection.

Image provided By Mitch Barrie from Costa Mesa, CA, USA (Alders) [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

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