MENU

AskIFAS Powered by EDIS

about page banner

Impatiens

Publications

Impatiens Downy Mildew

PP309/PP309 by N. A. Peres and L. A. WarnerNovember 9, 2020Downy mildew on impatiens is of great concern throughout Florida. Winters in south Florida provide high humidity paired with cool nights, creating ideal conditions for disease development. Downy mildews are caused by several different species of pathogens that tend to be plant-host specific. Plasmopara obducens is the pathogen that affects impatiens. Some literature indicates that nighttime temperatures of about 50°F to 72°F favor downy mildew, but the disease has been reported on impatiens year-round in south Florida.

Impatiens x New Guinea Hybrids New Guinea Impatiens

FP281/FPS-281 by Edward F. Gilman, Teresa Howe, Ryan W. Klein, and Gail HansenNovember 6, 2023A UF/IFAS numbered Organism ID.

Related IFAS Blog Posts

Enjoy the new and improved touch-me-not

Ralph MitchellMarch 20th, 2024Impatiens are known by many names including “touch-me-not” and “busy lizzie”.  However, almost everyone knows that impatiens are common bedding annuals that bring seasonal color and easy care.  While once known to be used exclusively in partly shaded/shaded areas, newer types of impatiens tolerate more sun – some types even grow in Florida year-round taking […]

Questions From The Plant Clinic: The Return of Impatiens

Kaydie McCormickApril 10th, 2020The Return of Impatiens Have you been wondering why you’re starting to see impatiens at the store again? Master Gardener Volunteer Carol was too, and did some research to find out why! Read more articles from our Master Gardener Volunteers [here]. Beautiful traditional impatiens (Impatiens walleriana) used to be a mainstay in Central Florida gardens. […]

Available Languages:

English

Español

Broader Topics