What should I do about my pin oak tree?
This problem may be corrected either by treating the soil or by injecting iron into the trunk. There are many insects which feed on pin oak. Many prefer trees which are under stress from root damage, lack of water or nutrients Obscure scale (Melanapsis obscura) is a very small insect which feeds on twigs and branches.
How did the pin oak tree get its name?
The name pin oak comes from its short, tough branchlets located along the branches and limbs. Because of its tolerance for wet conditions, the tree is also known regionally as swamp oak, water oak and swamp Spanish oak. The tree was first observed scientifically prior to 1770.
Are there any insects that feed on Pin Oak?
There are many insects which feed on pin oak. Many prefer trees which are under stress from root damage, lack of water or nutrients Obscure scale (Melanapsis obscura) is a very small insect which feeds on twigs and branches.
When to use trunk injection on pin oak trees?
Injection treatments are most effective if applied in the early spring during bud break. However, homeowners should weigh the potential benefits from trunk injection with the potentially negative consequences caused by wounding the tree. This treatment should be reserved for high value trees.
When to apply foliar to a pin oak tree?
It is best to apply foliar applications during the evening or during periods of cool weather. Soil application: Adding iron chelates or acid drenches to the soil can make iron more available to the tree for two to three years, but won’t have a lasting effect on soil pH.
What to do about Pin Oak in Iowa?
Below are some common shade trees found in Iowa and their preferred soil pH ranges. If however, you have a yard with an established pin oak, there are some possible treatments for addressing soil chlorosis, though they can be expensive and/or time-consuming.
What is the growth rate of a pin oak?
Pin Oak Information. Native east of the Mississippi River and hardy in zones 4-8, Quercus palustris , or pin oak, is a large full, ovate shaped tree. With a growth rate of 24 inches or more per year, it is one of the faster growing oak trees.