Houseplant Care

Amy Gibbs* and Brian Hudelson, UW-Madison Plant Pathology Revised:  5/11/2010 Item number:  XHT1033 Where do I put my houseplant in my home?  Two of the most important factors in placing a houseplant in your home are light and temperature.  Know both the light requirements of your plant and the sources of light in your home […]

Fungus Gnats on Houseplants

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.

Holiday Cactus

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…

Forcing Bulbs

Ann Joy and Brian Hudelson, UW-Madison Plant Pathology Revised:  3/9/2012 Item number:  XHT1144 Wisconsin gardeners do not have to give up growing flowers during the long winter months.  Many plants grown from bulbs (also those grown from corms or rhizomes) can be forced to bloom indoors during the winter by giving them the combination of […]

Gray Mold (Botrytis Blight)

Gray mold (or Botrytis blight) is a common and often serious fungal disease that can affect plants of all kinds. Learn more in this factsheet.

Root Rots on Houseplants

Brian Hudelson, UW-Madison Plant Pathology and Laura Jull, UW-Horticulture Revised:  4/25/2004 Item number:  XHT1071 What is root rot?  Root rot is a general term that describes any disease where the pathogen (causal organism) causes the deterioration of a plant’s root system.  Most plants are susceptible to root rots, including both woody and herbaceous ornamentals.  Root […]

Aphids

Aphids are soft-bodied, insects that feed on plant sap and subsequently excrete a sugary substance that can attract ants as well as support a saprophytic fungus called sooty mold. Learn about aphids found in home gardens in this factsheet.

Aphids, in-depth

Aphids are really fascinating insects, with bizarre lifestyles and eating habits Learn more about this large group of insects and how to manage them in the garden in this article…

Scales

There are many species of scales and they are difficult to control because of their protective covering. Learn to identify and manage scales in this factsheet.

Edema

Edema is a physiological disorder that affects houseplants, greenhouse plants, and other plants sheltered under plastic. Learn about these fluid-filled “blisters” on leaves in this factsheet.

Cyclamen and Broad Mites

Phil Pellitteri, UW Insect Diagnostic Lab Revised:  5/7/2010 Item number:  XHT1038 Cyclamen and broad mites are extremely small (0.3 mm long) and can be found infesting bedding plants and perennials in the greenhouse and in the garden. Broad mites commonly infest African violet, ageratum, azalea, begonia, dahlia, larkspur, gerbera, gloxinia, ivy, jasmine, impatiens, lantana, marigold, […]

Support Extension