Insect Pest Management for Greenhouses

This handy chart lists pesticides that are most effective against common greenhouse pests such as aphids, scales, leafminers, spider mites, and thrips. Formulation, effectiveness, cautions, and other details are provided.

Daylily Leaf Streak

Leaf streak is a common disease of daylilies, affecting daylilies wherever they are grown. Daylily varieties can vary widely in terms of their susceptibility to the disease. Oftentimes leaf streak is a cosmetic problem, causing little damage, but sometimes can cause substantial leaf loss or complete defoliation of daylily plants. Learn how to manage this disease in this factsheet.

Hollyhock Rust

Nicole Uelmen*, UW-Madison Plant Pathology Revised:  3/6/2014 Item number:  XHT1231 What is hollyhock rust?  Hollyhock rust is the most common fungal leaf disease of hollyhocks (Alcea rosea).  Many other ornamentals (e.g., flowering maple, rose mallow) and weeds (e.g., common mallow) in the mallow family are also susceptible.  Hollyhock rust can quickly spread, causing stunting of […]

Impatiens Downy Mildew

Jenna Lind, UW-Madison Plant Pathology Revised:  6/24/2013 Item number:  XHT1223 What is impatiens downy mildew?  Impatiens downy mildew is a disease that has become a serious threat wherever impatiens are grown.  The disease has recently become a serious issue in the United States, including Wisconsin.  Impatiens downy mildew has been so destructive in many areas […]

Maintaining Lawn and Garden Tools

When it comes to digging in the garden or pruning trees and shrubs, having high quality tools that are cleaned, lubricated, sharpened and otherwise properly maintained, makes any outdoor job simpler and more efficient. Learn how to maintain your garden tools in this useful factsheet.

Managing Thrips in Greenhouses

Western flower thrips are likely the most serious pest of greenhouse crops in the world. Learn about these pests, the damage they cause, and management options in this factsheet.

Managing Mites in Greenhouses

Several types of mites can cause serious damage to a variety of greenhouse crops. Learn why mites are a problem in greenhouses, and what to do about them, in this factsheet.

Managing Aphids in Greenhouses

Aphids can be persistent and serious pests in the greenhouse, and can be difficult to control due to high reproductive capability and insecticide resistance. Learn more in this factsheet.

Ralstonia Wilt

Ralstonia wilt is a usually lethal disease that affects a wide variety of vegetable and ornamental plants. Learn about symptoms and how to avoid problems with Ralstonia in this factsheet.

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