Serviceberry, Amelanchier spp.

If you’re looking for a small tree with attractive white blossoms in spring and small fruits that can be food for animals or humans, consider one of several species of serviceberry. There are a number of plants in the genus Amalanchier that are graceful trees or shrubs that can provide year-round ornamental interest in the landscape. To learn more, read this article…

Eastern Filbert Blight

Eastern filbert blight is a potentially serious fungal disease found throughout the United States, including Wisconsin. It affects Corylus species, commonly known as hazelnuts or filberts, causing cankers on branches and trunks. Symptoms and management are described in this factsheet.

Indoor Citrus

Even though we can’t grow oranges and grapefruits outdoors in the Midwest, it is possible to keep a citrus tree as a houseplant in a warm, sunny room. Even if your plant never produces fragrant blossoms and brightly colored, ornamental fruit, the shiny, dark green leaves make citrus an attractive container plant. Learn more about the long history of citrus throughout the world and how you can grow your own…

Spotted Lanternfly

Spotted lanternfly (SLF) is an invasive planthopper native to China, India, and Vietnam. It was first detected in the U.S. in Pennsylvania in 2014, and due to its highly invasive nature, it appears to be spreading rapidly. SLF has a large host range and potentially could greatly impact the grape, tree fruit, plant nursery and timber industries in the U.S. Learn about what to watch for with this new pest.

Japanese Beetle

The Japanese beetle, Popillia japonica, is a significant pest of landscape trees and shrubs, vegetable and fruit crops, and turfgrass in the eastern United States. This factsheet describes the lifecycle of this destructive beetle along with management and control options.

Common leaf spot of Strawberry

Common leaf spot of strawberry is a common fungal leaf disease that affects both wild and cultivated strawberries throughout the world. Once the most economically important strawberry disease, the use of resistant strawberry varieties/cultivars and improvements in growing methods have been effective in managing the disease. Learn about this foliar disease and its potential impact in your strawberry patch.

Cane Blight

David S. Jones*, UW-Madison Plant Pathology Item Number: XHT 1242 Revised:  November 23, 2015 What is cane blight?  Cane blight is a fungal disease that affects the health of canes (i.e., stems) of cultivated and wild Rubus species (e.g., raspberries and blackberries), wherever they are grown.  Black and purple raspberries appear to be more susceptible […]

Rabbit Ecology and Damage Management

This publication describes the lives, habits, and habitat of the eastern cottontail rabbit and snowshoe hare, both natives of Wisconsin. These creatures consume lots of different kinds of food, including garden vegetables and flowers in spring and summer, and bark of woody plants in fall and winter—which is why they are not welcome guests in everyone’s back yard.

Fruit and Frost

Because of our climate, Wisconsin always has a risk of spring frosts. Temperatures below 28°F will injure or kill flowers or immature fruit. This factsheet will briefly outline critical temperatures at different stages of flower development, and describe how a gardener might protect against late season frosts.

Training and Pruning Apple Trees

Author(s): T.R. Roper Proper training and pruning helps to maximize production of high-quality apples. This illustrated guide shows how and when to prune.   Download Article

Watercore of Apple

Author(s): T.R. Roper Watercore of apple is a physiologic disorder. The fruit tissue’s abnormal condition is a response of some apple cultivars to adverse environmental conditions—not to a disease-causing organism. Watercore is more common in warm, arid regions, but it occurs in Wisconsin often enough to concern apple growers. Find out more about this apple […]

Planning and Establishing Commercial Apple Orchards in Wisconsin

Author(s): Teryl R. Roper, Gary G. Frank Apple production can be a financially and emotionally rewarding venture. However, a desire to grow fruit is not sufficient reason to establish a commercial orchard. A small backyard or hobby orchard can be a satisfying avocation, but establishing a successful commercial operation takes time, skill, experience, and capital. […]

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