Seasonal Needle Drop

Every year, as Fall weather arrives, we receive dozens of inquiries from clients concerned about their pines, spruces, or arborvitaes dropping many needles that have turned yellow or brown.¬†¬†Evergreen needles have a finite “lifespan” and eventually turn brown and fall off as the needle dies. Generally speaking, the “lifespan” of an evergreen’s needles is approximately two years, and their lifecycle …

Powdery Mildew

Thanks to Chuck Burges and Joey Williamson, Ph.D., HGIC Horticulture Extension Agent at Clemson University, for all the great information referenced in this blog post! Introduction Powdery mildew is the name given to a group of diseases caused by several closely related fungi. Their common symptom is a grayish-white, powdery mat visible on the surface of leaves, stems, and flower …

Cercospora Leaf Spot

If some or all of the leaves on your hydrangea or crape myrtle develop small spots and turning red and prematurely dropping from the plant during summer, this is most likely Cercospora leaf spot. This condition usually occurs during hot summers with more than average rainfall. While some varieties have more resistance to the spot than others, all can be …

wetwood

What is this Black Stuff Oozing out of my Tree?

That “black stuff” is the result of a bacterial infection called Wetwood or Slime Flux. These particular bacteria thrive in anaerobic (low oxygen) conditions present in the dense interior hardwood. As the anaerobic bacteria ferment and release carbon dioxide, it creates pressure forcing liquid from woods in the trunk. The fluid then becomes black or brown once exposed to air. …

Control Crape Myrtle Scale

Thanks to Clemson University’s Home and Garden Information Center and Joey Williamson Ph.D., HGIC Horticulture Extension Agent for providing lots of great information referenced throughout this post. Our Ornamental Tree & Shrub Programs are designed specifically to control pests and diseases like CMBS. Crape myrtle bark scale is a recently introduced pest from Asia that initially infested crape myrtles in …