cycad diseases

Snow on my Sago Palm?

“Ew, what’s that white stuff on my sago palm?” asks a reader from Southern California. That, my friend is evidence of a huge infestation of what is commonly known as cycad scale (Aulacaspis yasumatsui). A type of armored scale, these guys would be harmless if they showed up by their lonesome. Instead, they come in […]

How to Identify Quaking Aspen Diseases

If any tree has a right to be a hypochondriac it is the quaking aspen (Populus tremuloides). This fast-growing small to medium sized tree is affected by a plethora of disease pathogens. In fact, Colorado State University Cooperative Extension agents claim that quaking aspen problems make up the bulk of calls to their offices about […]