Santa Clarita Valley oak trees are being invaded by the goldspotted oak borer; an insect named for its iridescent black shell with gold spots that burrows underneath the bark of oak trees.
The leaves, bark and acorns of the oak were believed ... Playing the rings of an oak tree He uses a special camera that reads the grain on wooden discs sliced from trees and converts them into ...
Last but not least, the cork oak (Quercus suber) is noteworthy due to its spongy, hydrophobic bark. To appreciate this evergreen tree, observe a row of them growing along the west side of the Van ...
This tree is tropical and cold-sensitive so that it should be given ample summer water and frost protection until it is robust enough, after a few years in the ground, to fend for itself. Last but not ...
an invasive fungus that is threatening Minnesota’s oak tree population. Sometimes characterized by browning or golden leaves at the top of the tree and a dark bluish-gray discoloration in the bark, ...