Master Gardener Decision Support Guide

Woody Ornamentals

Boxwood

Short cuts for Boxwood Answers

The following problems are listed for this plant and considered when developing the diagnostic key. If the caller provides accurate answers to the questions, the ones that are linked should key out to that specific problem. The unlinked problems are expected to key to the point where the caller is asked to submit a sample. These samples will often require diagnostic procedures such as soil testing, pathogen culture, Elisa or other test beyond the resources of the average Master Gardener Volunteer or County Extension Agent.

Insect:
Datana ministra (yellownecked caterpillar)
Monarthropalpus flavus (boxwood leafminer)
Eurytetranychus buxi (boxwood mite)
Cacopsylla buxi (boxwood psyllid)
Pseudococcus comstocki (mealybug)
? (hornet or wasp)
? (planthopper)

Scale:
Ceroplastes ceriferus (Indian wax scale)
Chrysomphalus dictyospermi (dictyospermum scale)
Hemiberlesia rapax (greedy scale)
Icerya purchasi (cottony cushion scale)
Lepidosaphes beckii (purple scale)
L.gloveri (Glover scale)
L.ulmi (oystershell scale)

Disease:
Phytophera sp. (root rot)
Ganoderma lucidum (root rot)
Meloidogyne (nematode)
Phyllactinia guttata (powdery mildew)

Enviromental:
winter injury

Return to Boxwoods, Woody Ornamentals, Master Gardener Decision Support Guide

Designed by David Goforth on December 30, 1997.
Contents modified on February 17, 1998.
Contents checked on February 17, 1998.