Fungus gnats (Family Sciaridae) are insects commonly associated with overwatered houseplants. They can become a nuisance when they are present in large numbers and fly around inside a home. In most situations, fungus gnats are a cosmetic problem. However, on occasion, fungus gnat larvae can cause plant damage.
While Zimmerman pine moth prefers Austrian and Scots pines, it will also attack Eastern white and mugo pines in the landscape. Learn about damage caused by this pest and control strategies in this factsheet.
Planting flowers will encourage many beneficial insects because they need nectar and pollen as adults. To learn more about which flowers are best for supporting natural enemies, including parasites and parasitoids, read this article…
Rhizosphaera needle cast is the most common disease of Colorado blue spruce in Wisconsin, and can also affect other conifers. This factsheet covers identification and management of this disease.
With brightly colored flowers in shades of pink to red, white and bicolors, blooming holiday cactus plants are a welcome sight at this time of year, but not all types bloom in late December. Many specimens have been kept as houseplants for years, or even decades. To learn more about the various plants called holiday cactus, read this article…
White pine blister rust is a serious, tree-killing disease of eastern white pine and its close relatives. Learn how to manage this disease in this factsheet.
Spruce spider mites can attack a number of conifers including spruce, hemlock, arborvitae, larch and juniper. Learn about the life cycle and management techniques in this factsheet.
Many plants grown from mbulbs can be forced to bloom indoors during the winter. Learn how to choose, plant, and provide the right conditions to enjjoy spring-flowering blooms indoors while its still winter outside.
Phomopsis tip blight is one of the most common fungal disease of conifers, including junipers, arborvitae, firs, larch and jack pine. This factsheet describes symptoms and management of this tip blight.
Pine root colar weevil is a destructive pest of pines, including Austrian, Scots, red and Eastern white. Learn synptoms and how to protect your trees in this factsheet.
Cytospora canker is one of themost common fungal diseases of Colorado blue spruce, and can also affect other spruce and firs. Learn about symptoms and management in this factsheet.
Diplodia shoot blight and canker is one of the most common fungal diseases of Austrian pine in Wisconsin, and can also affect other pines as well as other conifers including cedars, cypresses, firs, junipers and spruces. Learn more here.
