Articles

Is My Ash Tree Worth Treating for Emerald Ash Borer?

When should I treat my ash tree for EAB? This factsheet addresses some of the most frequently asked questions regarding the treatment of ash trees for EAB, and the removal and disposal of infested trees.

Organic Lawn Fertilization

Interest in organic, sustainable gardening has grown to include lawn care practices, including use of organic fertilizers derived from natural sources. Learn how organic and conventional fertilizers differ here.

Ash Alternatives for Homeowners and Professionals

Find suggestions for which trees to plant to replace ash trees, which are being devastated by Emerald Ash Borer.

Homeowner Guide to Emerald Ash Borer Insecticide Treatments

This factsheet describes considerations and products for treating ash trees with insecticides to control Emerald Ash Borer.

Chlorosis

Chlorosis is a common nutritional disorder of many woody ornamentals in Wisconsin, particularly in the southern and eastern parts of the state. This factsheet describes symptoms, causes and cures.

Home Landscape Insecticides

This factsheet describes active ingredients available for homeowners and the landscape insects they control.

Lilacs for Cold Climates

Learn about the best-rated lilacs for Wisconsin’s cold climate, and how to care for these plants for years of enjoyment.

Calculating Degree Days

Degree Days incorporate temperature and time to quantify the rate of plant and insect development. This useful tool helps predict events such as flowering, harvest, and pest outbreaks.

Degree Days for Common Landscape Insect Pests

This factsheet lists degree days for emergence and hatching of a wide variety of landscape insect pests.

Scorch and Related Problems in Trees and Shrubs

Scorch, or the browning of leaf edges, affects a wide range of deciduous and evergreen plants throughout Wisconsin. This factsheet will help you identify causes of scorch.

Oak Wilt

Oak wilt can be lethal, especially to oaks in red oak group. Learn about this disease of oaks, the life cycle and management options.

Conservation of Native and Domestic Pollinators in Managed Turfgrass Landscapes

Bees and other pollinators provide invaluable ecological and economic services. Learn the current best practices for protecting pollinators and improving their habitats in this handy fact sheet.