Articles
Gardening Articles
Research-based horticulture information to help keep your plants and gardens thriving.
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.
Phenology
Phenology is a branch of science that studies the life cycles of plants and animals with seasonal changes and weather. Learn more in this factsheet.
Degree Days for Common Fruit & Vegetable Insect Pests
Common vegetable insects can be monitored using degree days or indicator plants. This factsheet provides degree day information for many common vegetable garden pests.
Garden Spiders
Spiders are good guys to gardeners, since they feed on other insects. There are a few main groups that are commonly found in gardens. To learn more about these fascinating arthropods, read this article…