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Photo credit: Alyssa Collins
Botany Lessons from a Holiday Poinsettia - Articles Articles
Learn more about the natural history and botany behind your greenhouse-grown poinsettia. More
Container Gardening
The Art of Container Gardening - Articles Articles
Constructing a container garden isn’t about doing everything perfectly. In fact, there is no right way to create a container garden. More
Phytophthora on African violet
Phytophthora Root Rot On Woody Ornamentals - Articles Articles
Fungus-like organisms belonging to the genus Phytophthora are soil- or plant-borne and all are plant pathogens. More
Twospotted spider mite (Tetranychus urticae) Photo: David Cappaert, Michigan State University, Bugwood.org
Twospotted Spider Mites - Articles Articles
One of our most common landscape pests is the two-spotted spider mite (Tetranychus urticae). More
Photo: Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org - vole Microtus spp. flowering dogwood, Damage: dieback and off color foliage
Vole Control in Overwintering Nursery Stock - Articles Articles
You know the situation…you and your crew spent days cleaning, pruning and moving perennial and nursery stock into your overwintering houses. More
Tissue cultured plantlets: just from the lab
Tissue Culture Finishing for Greenhouse Growers: Stage III-Stage IV - Articles Articles
In the past 25 years great development has occurred in tissue culture plant production for horticulture. More
Four-lined plant bug adult. Photo: S. Feather, Penn State
Four-lined Plant Bugs Are Active Now - Articles Articles
Four-lined plant bugs, Poecilocapsus lineatus, become active in May. More
Spring Plants that are Poisonous to Horses, Dogs and Barn Cats
Spring Plants that are Poisonous to Horses, Dogs and Barn Cats - Articles Articles
Many ornamental plants can be harmful to horses, dogs and barn cats. More
Poinsettias
Poinsettias - Articles Articles
Choose your poinsettia carefully. Healthy plants are worth the extra money! More
Choosing and Caring for Houseplants
Choosing and Caring for Houseplants - Articles Articles
Plants make a welcome addition to the home or office, but did you know that houseplants could actually clean the air? More
Plants for Your Office
Plants for Your Office - Articles Articles
Green plants make a welcome addition to any office, but did you know that plants could actually clean the air? More
Why isn't My African Violet Flowering?
Why isn't My African Violet Flowering? - Articles Articles
Most modern African violets (Saintpaulia spp.) bloom throughout the year without much effort on the grower’s part. More
African Violet Diseases
African Violet Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of African Violet diseases. More
Aglaonema Diseases
Aglaonema Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Aglaonema diseases. More
Over-Fertilization of Potted Plants
Over-Fertilization of Potted Plants - Articles Articles
Over-fertilization of commercial pot or container-grown crops results in high concentrations of soluble salts in the potting medium. More
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